20181021420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{719}}^1\times {\mathrm{9547}}^1$

素因数の和:10292

約数の個数: 144

約数和(自身を含む): 65830786560

約数和(自身を除く): 45649765140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 719, 735, 980, 1438, 1470, 2157, 2876, 2940, 3595, 4314, 5033, 7190, 8628, 9547, 10066, 10785, 14380, 15099, 19094, 20132, 21570, 25165, 28641, 30198, 35231, 38188, 43140, 47735, 50330, 57282, 60396, 66829, 70462, 75495, 95470, 100660, 105693, 114564, 133658, 140924, 143205, 150990, 176155, 190940, 200487, 211386, 267316, 286410, 301980, 334145, 352310, 400974, 422772, 467803, 528465, 572820, 668290, 704620, 801948, 935606, 1002435, 1056930, 1336580, 1403409, 1871212, 2004870, 2113860, 2339015, 2806818, 4009740, 4678030, 5613636, 6864293, 7017045, 9356060, 13728586, 14034090, 20592879, 27457172, 28068180, 34321465, 41185758, 48050051, 68642930, 82371516, 96100102, 102964395, 137285860, 144150153, 192200204, 205928790, 240250255, 288300306, 336350357, 411857580, 480500510, 576600612, 672700714, 720750765, 961001020, 1009051071, 1345401428, 1441501530, 1681751785, 2018102142, 2883003060, 3363503570, 4036204284, 5045255355, 6727007140, 10090510710, 20181021420]

約数ペア:

[(1, 20181021420), (2, 10090510710), (3, 6727007140), (4, 5045255355), (5, 4036204284), (6, 3363503570), (7, 2883003060), (10, 2018102142), (12, 1681751785), (14, 1441501530), (15, 1345401428), (20, 1009051071), (21, 961001020), (28, 720750765), (30, 672700714), (35, 576600612), (42, 480500510), (49, 411857580), (60, 336350357), (70, 288300306), (84, 240250255), (98, 205928790), (105, 192200204), (140, 144150153), (147, 137285860), (196, 102964395), (210, 96100102), (245, 82371516), (294, 68642930), (420, 48050051), (490, 41185758), (588, 34321465), (719, 28068180), (735, 27457172), (980, 20592879), (1438, 14034090), (1470, 13728586), (2157, 9356060), (2876, 7017045), (2940, 6864293), (3595, 5613636), (4314, 4678030), (5033, 4009740), (7190, 2806818), (8628, 2339015), (9547, 2113860), (10066, 2004870), (10785, 1871212), (14380, 1403409), (15099, 1336580), (19094, 1056930), (20132, 1002435), (21570, 935606), (25165, 801948), (28641, 704620), (30198, 668290), (35231, 572820), (38188, 528465), (43140, 467803), (47735, 422772), (50330, 400974), (57282, 352310), (60396, 334145), (66829, 301980), (70462, 286410), (75495, 267316), (95470, 211386), (100660, 200487), (105693, 190940), (114564, 176155), (133658, 150990), (140924, 143205)]