131234560

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 343931616

約数和(自身を除く): 212697056

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 37, 40, 64, 68, 74, 80, 85, 128, 136, 148, 160, 163, 170, 185, 256, 272, 296, 320, 326, 340, 370, 544, 592, 629, 640, 652, 680, 740, 815, 1088, 1184, 1258, 1280, 1304, 1360, 1480, 1630, 2176, 2368, 2516, 2608, 2720, 2771, 2960, 3145, 3260, 4352, 4736, 5032, 5216, 5440, 5542, 5920, 6031, 6290, 6520, 9472, 10064, 10432, 10880, 11084, 11840, 12062, 12580, 13040, 13855, 20128, 20864, 21760, 22168, 23680, 24124, 25160, 26080, 27710, 30155, 40256, 41728, 44336, 47360, 48248, 50320, 52160, 55420, 60310, 80512, 88672, 96496, 100640, 102527, 104320, 110840, 120620, 161024, 177344, 192992, 201280, 205054, 208640, 221680, 241240, 354688, 385984, 402560, 410108, 443360, 482480, 512635, 709376, 771968, 805120, 820216, 886720, 964960, 1025270, 1543936, 1640432, 1773440, 1929920, 2050540, 3280864, 3546880, 3859840, 4101080, 6561728, 7719680, 8202160, 13123456, 16404320, 26246912, 32808640, 65617280, 131234560]

約数ペア:

[(1, 131234560), (2, 65617280), (4, 32808640), (5, 26246912), (8, 16404320), (10, 13123456), (16, 8202160), (17, 7719680), (20, 6561728), (32, 4101080), (34, 3859840), (37, 3546880), (40, 3280864), (64, 2050540), (68, 1929920), (74, 1773440), (80, 1640432), (85, 1543936), (128, 1025270), (136, 964960), (148, 886720), (160, 820216), (163, 805120), (170, 771968), (185, 709376), (256, 512635), (272, 482480), (296, 443360), (320, 410108), (326, 402560), (340, 385984), (370, 354688), (544, 241240), (592, 221680), (629, 208640), (640, 205054), (652, 201280), (680, 192992), (740, 177344), (815, 161024), (1088, 120620), (1184, 110840), (1258, 104320), (1280, 102527), (1304, 100640), (1360, 96496), (1480, 88672), (1630, 80512), (2176, 60310), (2368, 55420), (2516, 52160), (2608, 50320), (2720, 48248), (2771, 47360), (2960, 44336), (3145, 41728), (3260, 40256), (4352, 30155), (4736, 27710), (5032, 26080), (5216, 25160), (5440, 24124), (5542, 23680), (5920, 22168), (6031, 21760), (6290, 20864), (6520, 20128), (9472, 13855), (10064, 13040), (10432, 12580), (10880, 12062), (11084, 11840)]