18763920

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:119

約数の個数: 320

約数和(自身を含む): 79280640

約数和(自身を除く): 60516720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 27, 28, 30, 34, 35, 36, 40, 42, 45, 48, 51, 54, 56, 60, 63, 68, 70, 72, 73, 80, 84, 85, 90, 102, 105, 108, 112, 119, 120, 126, 135, 136, 140, 144, 146, 153, 168, 170, 180, 189, 204, 210, 216, 219, 238, 240, 252, 255, 270, 272, 280, 292, 306, 315, 336, 340, 357, 360, 365, 378, 408, 420, 432, 438, 459, 476, 504, 510, 511, 540, 560, 584, 595, 612, 630, 657, 680, 714, 720, 730, 756, 765, 816, 840, 876, 918, 945, 952, 1008, 1020, 1022, 1071, 1080, 1095, 1168, 1190, 1224, 1241, 1260, 1314, 1360, 1428, 1460, 1512, 1530, 1533, 1680, 1752, 1785, 1836, 1890, 1904, 1971, 2040, 2044, 2142, 2160, 2190, 2295, 2380, 2448, 2482, 2520, 2555, 2628, 2856, 2920, 3024, 3060, 3066, 3213, 3285, 3504, 3570, 3672, 3723, 3780, 3942, 4080, 4088, 4284, 4380, 4590, 4599, 4760, 4964, 5040, 5110, 5256, 5355, 5712, 5840, 6120, 6132, 6205, 6426, 6570, 7140, 7344, 7446, 7560, 7665, 7884, 8176, 8568, 8687, 8760, 9180, 9198, 9520, 9855, 9928, 10220, 10512, 10710, 11169, 12240, 12264, 12410, 12852, 13140, 13797, 14280, 14892, 15120, 15330, 15768, 16065, 17136, 17374, 17520, 18360, 18396, 18615, 19710, 19856, 20440, 21420, 22338, 22995, 24528, 24820, 25704, 26061, 26280, 27594, 28560, 29784, 30660, 31536, 32130, 33507, 34748, 36720, 36792, 37230, 39420, 40880, 42840, 43435, 44676, 45990, 49640, 51408, 52122, 52560, 55188, 55845, 59568, 61320, 64260, 67014, 68985, 69496, 73584, 74460, 78183, 78840, 85680, 86870, 89352, 91980, 99280, 104244, 110376, 111690, 122640, 128520, 130305, 134028, 137970, 138992, 148920, 156366, 157680, 167535, 173740, 178704, 183960, 208488, 220752, 223380, 234549, 257040, 260610, 268056, 275940, 297840, 312732, 335070, 347480, 367920, 390915, 416976, 446760, 469098, 521220, 536112, 551880, 625464, 670140, 694960, 781830, 893520, 938196, 1042440, 1103760, 1172745, 1250928, 1340280, 1563660, 1876392, 2084880, 2345490, 2680560, 3127320, 3752784, 4690980, 6254640, 9381960, 18763920]

約数ペア:

[(1, 18763920), (2, 9381960), (3, 6254640), (4, 4690980), (5, 3752784), (6, 3127320), (7, 2680560), (8, 2345490), (9, 2084880), (10, 1876392), (12, 1563660), (14, 1340280), (15, 1250928), (16, 1172745), (17, 1103760), (18, 1042440), (20, 938196), (21, 893520), (24, 781830), (27, 694960), (28, 670140), (30, 625464), (34, 551880), (35, 536112), (36, 521220), (40, 469098), (42, 446760), (45, 416976), (48, 390915), (51, 367920), (54, 347480), (56, 335070), (60, 312732), (63, 297840), (68, 275940), (70, 268056), (72, 260610), (73, 257040), (80, 234549), (84, 223380), (85, 220752), (90, 208488), (102, 183960), (105, 178704), (108, 173740), (112, 167535), (119, 157680), (120, 156366), (126, 148920), (135, 138992), (136, 137970), (140, 134028), (144, 130305), (146, 128520), (153, 122640), (168, 111690), (170, 110376), (180, 104244), (189, 99280), (204, 91980), (210, 89352), (216, 86870), (219, 85680), (238, 78840), (240, 78183), (252, 74460), (255, 73584), (270, 69496), (272, 68985), (280, 67014), (292, 64260), (306, 61320), (315, 59568), (336, 55845), (340, 55188), (357, 52560), (360, 52122), (365, 51408), (378, 49640), (408, 45990), (420, 44676), (432, 43435), (438, 42840), (459, 40880), (476, 39420), (504, 37230), (510, 36792), (511, 36720), (540, 34748), (560, 33507), (584, 32130), (595, 31536), (612, 30660), (630, 29784), (657, 28560), (680, 27594), (714, 26280), (720, 26061), (730, 25704), (756, 24820), (765, 24528), (816, 22995), (840, 22338), (876, 21420), (918, 20440), (945, 19856), (952, 19710), (1008, 18615), (1020, 18396), (1022, 18360), (1071, 17520), (1080, 17374), (1095, 17136), (1168, 16065), (1190, 15768), (1224, 15330), (1241, 15120), (1260, 14892), (1314, 14280), (1360, 13797), (1428, 13140), (1460, 12852), (1512, 12410), (1530, 12264), (1533, 12240), (1680, 11169), (1752, 10710), (1785, 10512), (1836, 10220), (1890, 9928), (1904, 9855), (1971, 9520), (2040, 9198), (2044, 9180), (2142, 8760), (2160, 8687), (2190, 8568), (2295, 8176), (2380, 7884), (2448, 7665), (2482, 7560), (2520, 7446), (2555, 7344), (2628, 7140), (2856, 6570), (2920, 6426), (3024, 6205), (3060, 6132), (3066, 6120), (3213, 5840), (3285, 5712), (3504, 5355), (3570, 5256), (3672, 5110), (3723, 5040), (3780, 4964), (3942, 4760), (4080, 4599), (4088, 4590), (4284, 4380)]