400026480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7681}}^1$

素因数の和:7735

約数の個数: 160

約数和(自身を含む): 1463144448

約数和(自身を除く): 1063117968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 3255, 3472, 3720, 4340, 5208, 6510, 7440, 7681, 8680, 10416, 13020, 15362, 17360, 23043, 26040, 30724, 38405, 46086, 52080, 53767, 61448, 76810, 92172, 107534, 115215, 122896, 153620, 161301, 184344, 215068, 230430, 238111, 268835, 307240, 322602, 368688, 430136, 460860, 476222, 537670, 614480, 645204, 714333, 806505, 860272, 921720, 952444, 1075340, 1190555, 1290408, 1428666, 1613010, 1666777, 1843440, 1904888, 2150680, 2381110, 2580816, 2857332, 3226020, 3333554, 3571665, 3809776, 4301360, 4762220, 5000331, 5714664, 6452040, 6667108, 7143330, 8333885, 9524440, 10000662, 11429328, 12904080, 13334216, 14286660, 16667770, 19048880, 20001324, 25001655, 26668432, 28573320, 33335540, 40002648, 50003310, 57146640, 66671080, 80005296, 100006620, 133342160, 200013240, 400026480]

約数ペア:

[(1, 400026480), (2, 200013240), (3, 133342160), (4, 100006620), (5, 80005296), (6, 66671080), (7, 57146640), (8, 50003310), (10, 40002648), (12, 33335540), (14, 28573320), (15, 26668432), (16, 25001655), (20, 20001324), (21, 19048880), (24, 16667770), (28, 14286660), (30, 13334216), (31, 12904080), (35, 11429328), (40, 10000662), (42, 9524440), (48, 8333885), (56, 7143330), (60, 6667108), (62, 6452040), (70, 5714664), (80, 5000331), (84, 4762220), (93, 4301360), (105, 3809776), (112, 3571665), (120, 3333554), (124, 3226020), (140, 2857332), (155, 2580816), (168, 2381110), (186, 2150680), (210, 1904888), (217, 1843440), (240, 1666777), (248, 1613010), (280, 1428666), (310, 1290408), (336, 1190555), (372, 1075340), (420, 952444), (434, 921720), (465, 860272), (496, 806505), (560, 714333), (620, 645204), (651, 614480), (744, 537670), (840, 476222), (868, 460860), (930, 430136), (1085, 368688), (1240, 322602), (1302, 307240), (1488, 268835), (1680, 238111), (1736, 230430), (1860, 215068), (2170, 184344), (2480, 161301), (2604, 153620), (3255, 122896), (3472, 115215), (3720, 107534), (4340, 92172), (5208, 76810), (6510, 61448), (7440, 53767), (7681, 52080), (8680, 46086), (10416, 38405), (13020, 30724), (15362, 26040), (17360, 23043)]