868720440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{457}}^1$

素因数の和:582

約数の個数: 256

約数和(自身を含む): 3123486720

約数和(自身を除く): 2254766280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 73, 84, 93, 105, 120, 124, 140, 146, 155, 168, 186, 210, 217, 219, 248, 280, 292, 310, 365, 372, 420, 434, 438, 457, 465, 511, 584, 620, 651, 730, 744, 840, 868, 876, 914, 930, 1022, 1085, 1095, 1240, 1302, 1371, 1460, 1533, 1736, 1752, 1828, 1860, 2044, 2170, 2190, 2263, 2285, 2555, 2604, 2742, 2920, 3066, 3199, 3255, 3656, 3720, 4088, 4340, 4380, 4526, 4570, 5110, 5208, 5484, 6132, 6398, 6510, 6789, 6855, 7665, 8680, 8760, 9052, 9140, 9597, 10220, 10968, 11315, 12264, 12796, 13020, 13578, 13710, 14167, 15330, 15841, 15995, 18104, 18280, 19194, 20440, 22630, 25592, 26040, 27156, 27420, 28334, 30660, 31682, 31990, 33361, 33945, 38388, 42501, 45260, 47523, 47985, 54312, 54840, 56668, 61320, 63364, 63980, 66722, 67890, 70835, 76776, 79205, 85002, 90520, 95046, 95970, 99169, 100083, 113336, 126728, 127960, 133444, 135780, 141670, 158410, 166805, 170004, 190092, 191940, 198338, 200166, 212505, 233527, 237615, 266888, 271560, 283340, 297507, 316820, 333610, 340008, 380184, 383880, 396676, 400332, 425010, 467054, 475230, 495845, 500415, 566680, 595014, 633640, 667220, 700581, 793352, 800664, 850020, 934108, 950460, 991690, 1000830, 1034191, 1167635, 1190028, 1334440, 1401162, 1487535, 1700040, 1868216, 1900920, 1983380, 2001660, 2068382, 2335270, 2380056, 2802324, 2975070, 3102573, 3502905, 3966760, 4003320, 4136764, 4670540, 5170955, 5604648, 5950140, 6205146, 7005810, 7239337, 8273528, 9341080, 10341910, 11900280, 12410292, 14011620, 14478674, 15512865, 20683820, 21718011, 24820584, 28023240, 28957348, 31025730, 36196685, 41367640, 43436022, 57914696, 62051460, 72393370, 86872044, 108590055, 124102920, 144786740, 173744088, 217180110, 289573480, 434360220, 868720440]

約数ペア:

[(1, 868720440), (2, 434360220), (3, 289573480), (4, 217180110), (5, 173744088), (6, 144786740), (7, 124102920), (8, 108590055), (10, 86872044), (12, 72393370), (14, 62051460), (15, 57914696), (20, 43436022), (21, 41367640), (24, 36196685), (28, 31025730), (30, 28957348), (31, 28023240), (35, 24820584), (40, 21718011), (42, 20683820), (56, 15512865), (60, 14478674), (62, 14011620), (70, 12410292), (73, 11900280), (84, 10341910), (93, 9341080), (105, 8273528), (120, 7239337), (124, 7005810), (140, 6205146), (146, 5950140), (155, 5604648), (168, 5170955), (186, 4670540), (210, 4136764), (217, 4003320), (219, 3966760), (248, 3502905), (280, 3102573), (292, 2975070), (310, 2802324), (365, 2380056), (372, 2335270), (420, 2068382), (434, 2001660), (438, 1983380), (457, 1900920), (465, 1868216), (511, 1700040), (584, 1487535), (620, 1401162), (651, 1334440), (730, 1190028), (744, 1167635), (840, 1034191), (868, 1000830), (876, 991690), (914, 950460), (930, 934108), (1022, 850020), (1085, 800664), (1095, 793352), (1240, 700581), (1302, 667220), (1371, 633640), (1460, 595014), (1533, 566680), (1736, 500415), (1752, 495845), (1828, 475230), (1860, 467054), (2044, 425010), (2170, 400332), (2190, 396676), (2263, 383880), (2285, 380184), (2555, 340008), (2604, 333610), (2742, 316820), (2920, 297507), (3066, 283340), (3199, 271560), (3255, 266888), (3656, 237615), (3720, 233527), (4088, 212505), (4340, 200166), (4380, 198338), (4526, 191940), (4570, 190092), (5110, 170004), (5208, 166805), (5484, 158410), (6132, 141670), (6398, 135780), (6510, 133444), (6789, 127960), (6855, 126728), (7665, 113336), (8680, 100083), (8760, 99169), (9052, 95970), (9140, 95046), (9597, 90520), (10220, 85002), (10968, 79205), (11315, 76776), (12264, 70835), (12796, 67890), (13020, 66722), (13578, 63980), (13710, 63364), (14167, 61320), (15330, 56668), (15841, 54840), (15995, 54312), (18104, 47985), (18280, 47523), (19194, 45260), (20440, 42501), (22630, 38388), (25592, 33945), (26040, 33361), (27156, 31990), (27420, 31682), (28334, 30660)]