289138720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{37}}^1$

素因数の和:112

約数の個数: 216

約数和(自身を含む): 806983884

約数和(自身を除く): 517845164

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 37, 40, 52, 65, 68, 74, 80, 85, 104, 130, 136, 148, 160, 169, 170, 185, 208, 221, 260, 272, 289, 296, 338, 340, 370, 416, 442, 481, 520, 544, 578, 592, 629, 676, 680, 740, 845, 884, 962, 1040, 1105, 1156, 1184, 1258, 1352, 1360, 1445, 1480, 1690, 1768, 1924, 2080, 2210, 2312, 2405, 2516, 2704, 2720, 2873, 2890, 2960, 3145, 3380, 3536, 3757, 3848, 4420, 4624, 4810, 5032, 5408, 5746, 5780, 5920, 6253, 6290, 6760, 7072, 7514, 7696, 8177, 8840, 9248, 9620, 10064, 10693, 11492, 11560, 12506, 12580, 13520, 14365, 15028, 15392, 16354, 17680, 18785, 19240, 20128, 21386, 22984, 23120, 25012, 25160, 27040, 28730, 30056, 31265, 32708, 35360, 37570, 38480, 40885, 42772, 45968, 46240, 48841, 50024, 50320, 53465, 57460, 60112, 62530, 65416, 75140, 76960, 81770, 85544, 91936, 97682, 100048, 100640, 106301, 106930, 114920, 120224, 125060, 130832, 139009, 150280, 163540, 171088, 195364, 200096, 212602, 213860, 229840, 244205, 250120, 261664, 278018, 300560, 327080, 342176, 390728, 425204, 427720, 459680, 488410, 500240, 531505, 556036, 601120, 654160, 695045, 781456, 850408, 855440, 976820, 1000480, 1063010, 1112072, 1308320, 1390090, 1562912, 1700816, 1710880, 1807117, 1953640, 2126020, 2224144, 2780180, 3401632, 3614234, 3907280, 4252040, 4448288, 5560360, 7228468, 7814560, 8504080, 9035585, 11120720, 14456936, 17008160, 18071170, 22241440, 28913872, 36142340, 57827744, 72284680, 144569360, 289138720]

約数ペア:

[(1, 289138720), (2, 144569360), (4, 72284680), (5, 57827744), (8, 36142340), (10, 28913872), (13, 22241440), (16, 18071170), (17, 17008160), (20, 14456936), (26, 11120720), (32, 9035585), (34, 8504080), (37, 7814560), (40, 7228468), (52, 5560360), (65, 4448288), (68, 4252040), (74, 3907280), (80, 3614234), (85, 3401632), (104, 2780180), (130, 2224144), (136, 2126020), (148, 1953640), (160, 1807117), (169, 1710880), (170, 1700816), (185, 1562912), (208, 1390090), (221, 1308320), (260, 1112072), (272, 1063010), (289, 1000480), (296, 976820), (338, 855440), (340, 850408), (370, 781456), (416, 695045), (442, 654160), (481, 601120), (520, 556036), (544, 531505), (578, 500240), (592, 488410), (629, 459680), (676, 427720), (680, 425204), (740, 390728), (845, 342176), (884, 327080), (962, 300560), (1040, 278018), (1105, 261664), (1156, 250120), (1184, 244205), (1258, 229840), (1352, 213860), (1360, 212602), (1445, 200096), (1480, 195364), (1690, 171088), (1768, 163540), (1924, 150280), (2080, 139009), (2210, 130832), (2312, 125060), (2405, 120224), (2516, 114920), (2704, 106930), (2720, 106301), (2873, 100640), (2890, 100048), (2960, 97682), (3145, 91936), (3380, 85544), (3536, 81770), (3757, 76960), (3848, 75140), (4420, 65416), (4624, 62530), (4810, 60112), (5032, 57460), (5408, 53465), (5746, 50320), (5780, 50024), (5920, 48841), (6253, 46240), (6290, 45968), (6760, 42772), (7072, 40885), (7514, 38480), (7696, 37570), (8177, 35360), (8840, 32708), (9248, 31265), (9620, 30056), (10064, 28730), (10693, 27040), (11492, 25160), (11560, 25012), (12506, 23120), (12580, 22984), (13520, 21386), (14365, 20128), (15028, 19240), (15392, 18785), (16354, 17680)]