18935280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2$

素因数の和:73

約数の個数: 360

約数和(自身を含む): 83140512

約数和(自身を除く): 64205232

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 20, 21, 24, 26, 28, 30, 34, 35, 36, 39, 40, 42, 45, 48, 51, 52, 56, 60, 63, 65, 68, 70, 72, 78, 80, 84, 85, 90, 91, 102, 104, 105, 112, 117, 119, 120, 126, 130, 136, 140, 144, 153, 156, 168, 170, 180, 182, 195, 204, 208, 210, 221, 234, 238, 240, 252, 255, 260, 272, 273, 280, 289, 306, 312, 315, 336, 340, 357, 360, 364, 390, 408, 420, 442, 455, 468, 476, 504, 510, 520, 546, 560, 578, 585, 595, 612, 624, 630, 663, 680, 714, 720, 728, 765, 780, 816, 819, 840, 867, 884, 910, 936, 952, 1008, 1020, 1040, 1071, 1092, 1105, 1156, 1170, 1190, 1224, 1260, 1326, 1360, 1365, 1428, 1445, 1456, 1530, 1547, 1560, 1638, 1680, 1734, 1768, 1785, 1820, 1872, 1904, 1989, 2023, 2040, 2142, 2184, 2210, 2312, 2340, 2380, 2448, 2520, 2601, 2652, 2730, 2856, 2890, 3060, 3094, 3120, 3276, 3315, 3468, 3536, 3570, 3640, 3757, 3978, 4046, 4080, 4095, 4284, 4335, 4368, 4420, 4624, 4641, 4680, 4760, 5040, 5202, 5304, 5355, 5460, 5712, 5780, 6069, 6120, 6188, 6552, 6630, 6936, 7140, 7280, 7514, 7735, 7956, 8092, 8190, 8568, 8670, 8840, 9282, 9360, 9520, 9945, 10115, 10404, 10608, 10710, 10920, 11271, 11560, 12138, 12240, 12376, 13005, 13104, 13260, 13872, 13923, 14280, 15028, 15470, 15912, 16184, 16380, 17136, 17340, 17680, 18207, 18564, 18785, 19890, 20230, 20808, 21420, 21840, 22542, 23120, 23205, 24276, 24752, 26010, 26299, 26520, 27846, 28560, 30056, 30345, 30940, 31824, 32368, 32760, 33813, 34680, 36414, 37128, 37570, 39780, 40460, 41616, 42840, 45084, 46410, 48552, 52020, 52598, 53040, 55692, 56355, 60112, 60690, 61880, 65520, 67626, 69360, 69615, 72828, 74256, 75140, 78897, 79560, 80920, 85680, 90168, 91035, 92820, 97104, 104040, 105196, 111384, 112710, 121380, 123760, 131495, 135252, 139230, 145656, 150280, 157794, 159120, 161840, 169065, 180336, 182070, 185640, 208080, 210392, 222768, 225420, 236691, 242760, 262990, 270504, 278460, 291312, 300560, 315588, 338130, 364140, 371280, 394485, 420784, 450840, 473382, 485520, 525980, 541008, 556920, 631176, 676260, 728280, 788970, 901680, 946764, 1051960, 1113840, 1183455, 1262352, 1352520, 1456560, 1577940, 1893528, 2103920, 2366910, 2705040, 3155880, 3787056, 4733820, 6311760, 9467640, 18935280]

約数ペア:

[(1, 18935280), (2, 9467640), (3, 6311760), (4, 4733820), (5, 3787056), (6, 3155880), (7, 2705040), (8, 2366910), (9, 2103920), (10, 1893528), (12, 1577940), (13, 1456560), (14, 1352520), (15, 1262352), (16, 1183455), (17, 1113840), (18, 1051960), (20, 946764), (21, 901680), (24, 788970), (26, 728280), (28, 676260), (30, 631176), (34, 556920), (35, 541008), (36, 525980), (39, 485520), (40, 473382), (42, 450840), (45, 420784), (48, 394485), (51, 371280), (52, 364140), (56, 338130), (60, 315588), (63, 300560), (65, 291312), (68, 278460), (70, 270504), (72, 262990), (78, 242760), (80, 236691), (84, 225420), (85, 222768), (90, 210392), (91, 208080), (102, 185640), (104, 182070), (105, 180336), (112, 169065), (117, 161840), (119, 159120), (120, 157794), (126, 150280), (130, 145656), (136, 139230), (140, 135252), (144, 131495), (153, 123760), (156, 121380), (168, 112710), (170, 111384), (180, 105196), (182, 104040), (195, 97104), (204, 92820), (208, 91035), (210, 90168), (221, 85680), (234, 80920), (238, 79560), (240, 78897), (252, 75140), (255, 74256), (260, 72828), (272, 69615), (273, 69360), (280, 67626), (289, 65520), (306, 61880), (312, 60690), (315, 60112), (336, 56355), (340, 55692), (357, 53040), (360, 52598), (364, 52020), (390, 48552), (408, 46410), (420, 45084), (442, 42840), (455, 41616), (468, 40460), (476, 39780), (504, 37570), (510, 37128), (520, 36414), (546, 34680), (560, 33813), (578, 32760), (585, 32368), (595, 31824), (612, 30940), (624, 30345), (630, 30056), (663, 28560), (680, 27846), (714, 26520), (720, 26299), (728, 26010), (765, 24752), (780, 24276), (816, 23205), (819, 23120), (840, 22542), (867, 21840), (884, 21420), (910, 20808), (936, 20230), (952, 19890), (1008, 18785), (1020, 18564), (1040, 18207), (1071, 17680), (1092, 17340), (1105, 17136), (1156, 16380), (1170, 16184), (1190, 15912), (1224, 15470), (1260, 15028), (1326, 14280), (1360, 13923), (1365, 13872), (1428, 13260), (1445, 13104), (1456, 13005), (1530, 12376), (1547, 12240), (1560, 12138), (1638, 11560), (1680, 11271), (1734, 10920), (1768, 10710), (1785, 10608), (1820, 10404), (1872, 10115), (1904, 9945), (1989, 9520), (2023, 9360), (2040, 9282), (2142, 8840), (2184, 8670), (2210, 8568), (2312, 8190), (2340, 8092), (2380, 7956), (2448, 7735), (2520, 7514), (2601, 7280), (2652, 7140), (2730, 6936), (2856, 6630), (2890, 6552), (3060, 6188), (3094, 6120), (3120, 6069), (3276, 5780), (3315, 5712), (3468, 5460), (3536, 5355), (3570, 5304), (3640, 5202), (3757, 5040), (3978, 4760), (4046, 4680), (4080, 4641), (4095, 4624), (4284, 4420), (4335, 4368)]