207407760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{123457}}^1$

素因数の和:123480

約数の個数: 80

約数和(自身を含む): 734822016

約数和(自身を除く): 527414256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 123457, 246914, 370371, 493828, 617285, 740742, 864199, 987656, 1234570, 1481484, 1728398, 1851855, 1975312, 2469140, 2592597, 2962968, 3456796, 3703710, 4320995, 4938280, 5185194, 5925936, 6913592, 7407420, 8641990, 9876560, 10370388, 12962985, 13827184, 14814840, 17283980, 20740776, 25925970, 29629680, 34567960, 41481552, 51851940, 69135920, 103703880, 207407760]

約数ペア:

[(1, 207407760), (2, 103703880), (3, 69135920), (4, 51851940), (5, 41481552), (6, 34567960), (7, 29629680), (8, 25925970), (10, 20740776), (12, 17283980), (14, 14814840), (15, 13827184), (16, 12962985), (20, 10370388), (21, 9876560), (24, 8641990), (28, 7407420), (30, 6913592), (35, 5925936), (40, 5185194), (42, 4938280), (48, 4320995), (56, 3703710), (60, 3456796), (70, 2962968), (80, 2592597), (84, 2469140), (105, 1975312), (112, 1851855), (120, 1728398), (140, 1481484), (168, 1234570), (210, 987656), (240, 864199), (280, 740742), (336, 617285), (420, 493828), (560, 370371), (840, 246914), (1680, 123457)]