280210320

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{587}}^1$

素因数の和:639

約数の個数: 320

約数和(自身を含む): 1102429440

約数和(自身を除く): 822219120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 27, 30, 34, 36, 39, 40, 45, 48, 51, 52, 54, 60, 65, 68, 72, 78, 80, 85, 90, 102, 104, 108, 117, 120, 130, 135, 136, 144, 153, 156, 170, 180, 195, 204, 208, 216, 221, 234, 240, 255, 260, 270, 272, 306, 312, 340, 351, 360, 390, 408, 432, 442, 459, 468, 510, 520, 540, 585, 587, 612, 624, 663, 680, 702, 720, 765, 780, 816, 884, 918, 936, 1020, 1040, 1080, 1105, 1170, 1174, 1224, 1326, 1360, 1404, 1530, 1560, 1755, 1761, 1768, 1836, 1872, 1989, 2040, 2160, 2210, 2295, 2340, 2348, 2448, 2652, 2808, 2935, 3060, 3120, 3315, 3510, 3522, 3536, 3672, 3978, 4080, 4420, 4590, 4680, 4696, 5283, 5304, 5616, 5870, 5967, 6120, 6630, 7020, 7044, 7344, 7631, 7956, 8805, 8840, 9180, 9360, 9392, 9945, 9979, 10566, 10608, 11740, 11934, 12240, 13260, 14040, 14088, 15262, 15849, 15912, 17610, 17680, 18360, 19890, 19958, 21132, 22893, 23480, 23868, 26415, 26520, 28080, 28176, 29835, 29937, 30524, 31698, 31824, 35220, 36720, 38155, 39780, 39916, 42264, 45786, 46960, 47736, 49895, 52830, 53040, 59670, 59874, 61048, 63396, 68679, 70440, 76310, 79245, 79560, 79832, 84528, 89811, 91572, 95472, 99790, 105660, 114465, 119340, 119748, 122096, 126792, 129727, 137358, 140880, 149685, 152620, 158490, 159120, 159664, 179622, 183144, 199580, 206037, 211320, 228930, 238680, 239496, 253584, 259454, 269433, 274716, 299370, 305240, 316980, 343395, 359244, 366288, 389181, 399160, 412074, 422640, 449055, 457860, 477360, 478992, 518908, 538866, 549432, 598740, 610480, 633960, 648635, 686790, 718488, 778362, 798320, 824148, 898110, 915720, 1030185, 1037816, 1077732, 1098864, 1167543, 1197480, 1267920, 1297270, 1347165, 1373580, 1436976, 1556724, 1648296, 1796220, 1831440, 1945905, 2060370, 2075632, 2155464, 2335086, 2394960, 2594540, 2694330, 2747160, 3113448, 3296592, 3502629, 3592440, 3891810, 4120740, 4310928, 4670172, 5189080, 5388660, 5494320, 5837715, 6226896, 7005258, 7184880, 7783620, 8241480, 9340344, 10378160, 10777320, 11675430, 14010516, 15567240, 16482960, 17513145, 18680688, 21554640, 23350860, 28021032, 31134480, 35026290, 46701720, 56042064, 70052580, 93403440, 140105160, 280210320]

約数ペア:

[(1, 280210320), (2, 140105160), (3, 93403440), (4, 70052580), (5, 56042064), (6, 46701720), (8, 35026290), (9, 31134480), (10, 28021032), (12, 23350860), (13, 21554640), (15, 18680688), (16, 17513145), (17, 16482960), (18, 15567240), (20, 14010516), (24, 11675430), (26, 10777320), (27, 10378160), (30, 9340344), (34, 8241480), (36, 7783620), (39, 7184880), (40, 7005258), (45, 6226896), (48, 5837715), (51, 5494320), (52, 5388660), (54, 5189080), (60, 4670172), (65, 4310928), (68, 4120740), (72, 3891810), (78, 3592440), (80, 3502629), (85, 3296592), (90, 3113448), (102, 2747160), (104, 2694330), (108, 2594540), (117, 2394960), (120, 2335086), (130, 2155464), (135, 2075632), (136, 2060370), (144, 1945905), (153, 1831440), (156, 1796220), (170, 1648296), (180, 1556724), (195, 1436976), (204, 1373580), (208, 1347165), (216, 1297270), (221, 1267920), (234, 1197480), (240, 1167543), (255, 1098864), (260, 1077732), (270, 1037816), (272, 1030185), (306, 915720), (312, 898110), (340, 824148), (351, 798320), (360, 778362), (390, 718488), (408, 686790), (432, 648635), (442, 633960), (459, 610480), (468, 598740), (510, 549432), (520, 538866), (540, 518908), (585, 478992), (587, 477360), (612, 457860), (624, 449055), (663, 422640), (680, 412074), (702, 399160), (720, 389181), (765, 366288), (780, 359244), (816, 343395), (884, 316980), (918, 305240), (936, 299370), (1020, 274716), (1040, 269433), (1080, 259454), (1105, 253584), (1170, 239496), (1174, 238680), (1224, 228930), (1326, 211320), (1360, 206037), (1404, 199580), (1530, 183144), (1560, 179622), (1755, 159664), (1761, 159120), (1768, 158490), (1836, 152620), (1872, 149685), (1989, 140880), (2040, 137358), (2160, 129727), (2210, 126792), (2295, 122096), (2340, 119748), (2348, 119340), (2448, 114465), (2652, 105660), (2808, 99790), (2935, 95472), (3060, 91572), (3120, 89811), (3315, 84528), (3510, 79832), (3522, 79560), (3536, 79245), (3672, 76310), (3978, 70440), (4080, 68679), (4420, 63396), (4590, 61048), (4680, 59874), (4696, 59670), (5283, 53040), (5304, 52830), (5616, 49895), (5870, 47736), (5967, 46960), (6120, 45786), (6630, 42264), (7020, 39916), (7044, 39780), (7344, 38155), (7631, 36720), (7956, 35220), (8805, 31824), (8840, 31698), (9180, 30524), (9360, 29937), (9392, 29835), (9945, 28176), (9979, 28080), (10566, 26520), (10608, 26415), (11740, 23868), (11934, 23480), (12240, 22893), (13260, 21132), (14040, 19958), (14088, 19890), (15262, 18360), (15849, 17680), (15912, 17610)]