65617280

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:236

約数の個数: 128

約数和(自身を含む): 171629280

約数和(自身を除く): 106012000

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, 272, 296, 320, 326, 340, 370, 544, 592, 629, 640, 652, 680, 740, 815, 1088, 1184, 1258, 1304, 1360, 1480, 1630, 2176, 2368, 2516, 2608, 2720, 2771, 2960, 3145, 3260, 4736, 5032, 5216, 5440, 5542, 5920, 6031, 6290, 6520, 10064, 10432, 10880, 11084, 11840, 12062, 12580, 13040, 13855, 20128, 20864, 22168, 23680, 24124, 25160, 26080, 27710, 30155, 40256, 44336, 48248, 50320, 52160, 55420, 60310, 80512, 88672, 96496, 100640, 102527, 104320, 110840, 120620, 177344, 192992, 201280, 205054, 221680, 241240, 354688, 385984, 402560, 410108, 443360, 482480, 512635, 771968, 820216, 886720, 964960, 1025270, 1640432, 1773440, 1929920, 2050540, 3280864, 3859840, 4101080, 6561728, 8202160, 13123456, 16404320, 32808640, 65617280]

約数ペア:

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