85644640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 229757472

約数和(自身を除く): 144112832

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 37, 40, 46, 68, 74, 80, 85, 92, 115, 136, 148, 160, 170, 184, 185, 230, 272, 296, 340, 368, 370, 391, 460, 544, 592, 629, 680, 736, 740, 782, 851, 920, 1184, 1258, 1360, 1369, 1480, 1564, 1702, 1840, 1955, 2516, 2720, 2738, 2960, 3128, 3145, 3404, 3680, 3910, 4255, 5032, 5476, 5920, 6256, 6290, 6808, 6845, 7820, 8510, 10064, 10952, 12512, 12580, 13616, 13690, 14467, 15640, 17020, 20128, 21904, 23273, 25160, 27232, 27380, 28934, 31280, 31487, 34040, 43808, 46546, 50320, 54760, 57868, 62560, 62974, 68080, 72335, 93092, 100640, 109520, 115736, 116365, 125948, 136160, 144670, 157435, 186184, 219040, 231472, 232730, 251896, 289340, 314870, 372368, 462944, 465460, 503792, 535279, 578680, 629740, 744736, 930920, 1007584, 1070558, 1157360, 1259480, 1861840, 2141116, 2314720, 2518960, 2676395, 3723680, 4282232, 5037920, 5352790, 8564464, 10705580, 17128928, 21411160, 42822320, 85644640]

約数ペア:

[(1, 85644640), (2, 42822320), (4, 21411160), (5, 17128928), (8, 10705580), (10, 8564464), (16, 5352790), (17, 5037920), (20, 4282232), (23, 3723680), (32, 2676395), (34, 2518960), (37, 2314720), (40, 2141116), (46, 1861840), (68, 1259480), (74, 1157360), (80, 1070558), (85, 1007584), (92, 930920), (115, 744736), (136, 629740), (148, 578680), (160, 535279), (170, 503792), (184, 465460), (185, 462944), (230, 372368), (272, 314870), (296, 289340), (340, 251896), (368, 232730), (370, 231472), (391, 219040), (460, 186184), (544, 157435), (592, 144670), (629, 136160), (680, 125948), (736, 116365), (740, 115736), (782, 109520), (851, 100640), (920, 93092), (1184, 72335), (1258, 68080), (1360, 62974), (1369, 62560), (1480, 57868), (1564, 54760), (1702, 50320), (1840, 46546), (1955, 43808), (2516, 34040), (2720, 31487), (2738, 31280), (2960, 28934), (3128, 27380), (3145, 27232), (3404, 25160), (3680, 23273), (3910, 21904), (4255, 20128), (5032, 17020), (5476, 15640), (5920, 14467), (6256, 13690), (6290, 13616), (6808, 12580), (6845, 12512), (7820, 10952), (8510, 10064)]