399218640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1399}}^1$

素因数の和:1485

約数の個数: 160

約数和(自身を含む): 1312416000

約数和(自身を除く): 913197360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 41, 48, 58, 60, 80, 82, 87, 116, 120, 123, 145, 164, 174, 205, 232, 240, 246, 290, 328, 348, 410, 435, 464, 492, 580, 615, 656, 696, 820, 870, 984, 1160, 1189, 1230, 1392, 1399, 1640, 1740, 1968, 2320, 2378, 2460, 2798, 3280, 3480, 3567, 4197, 4756, 4920, 5596, 5945, 6960, 6995, 7134, 8394, 9512, 9840, 11192, 11890, 13990, 14268, 16788, 17835, 19024, 20985, 22384, 23780, 27980, 28536, 33576, 35670, 40571, 41970, 47560, 55960, 57072, 57359, 67152, 71340, 81142, 83940, 95120, 111920, 114718, 121713, 142680, 162284, 167880, 172077, 202855, 229436, 243426, 285360, 286795, 324568, 335760, 344154, 405710, 458872, 486852, 573590, 608565, 649136, 688308, 811420, 860385, 917744, 973704, 1147180, 1217130, 1376616, 1622840, 1663411, 1720770, 1947408, 2294360, 2434260, 2753232, 3245680, 3326822, 3441540, 4588720, 4868520, 4990233, 6653644, 6883080, 8317055, 9737040, 9980466, 13307288, 13766160, 16634110, 19960932, 24951165, 26614576, 33268220, 39921864, 49902330, 66536440, 79843728, 99804660, 133072880, 199609320, 399218640]

約数ペア:

[(1, 399218640), (2, 199609320), (3, 133072880), (4, 99804660), (5, 79843728), (6, 66536440), (8, 49902330), (10, 39921864), (12, 33268220), (15, 26614576), (16, 24951165), (20, 19960932), (24, 16634110), (29, 13766160), (30, 13307288), (40, 9980466), (41, 9737040), (48, 8317055), (58, 6883080), (60, 6653644), (80, 4990233), (82, 4868520), (87, 4588720), (116, 3441540), (120, 3326822), (123, 3245680), (145, 2753232), (164, 2434260), (174, 2294360), (205, 1947408), (232, 1720770), (240, 1663411), (246, 1622840), (290, 1376616), (328, 1217130), (348, 1147180), (410, 973704), (435, 917744), (464, 860385), (492, 811420), (580, 688308), (615, 649136), (656, 608565), (696, 573590), (820, 486852), (870, 458872), (984, 405710), (1160, 344154), (1189, 335760), (1230, 324568), (1392, 286795), (1399, 285360), (1640, 243426), (1740, 229436), (1968, 202855), (2320, 172077), (2378, 167880), (2460, 162284), (2798, 142680), (3280, 121713), (3480, 114718), (3567, 111920), (4197, 95120), (4756, 83940), (4920, 81142), (5596, 71340), (5945, 67152), (6960, 57359), (6995, 57072), (7134, 55960), (8394, 47560), (9512, 41970), (9840, 40571), (11192, 35670), (11890, 33576), (13990, 28536), (14268, 27980), (16788, 23780), (17835, 22384), (19024, 20985)]