204030120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{4957}}^1$

素因数の和:4992

約数の個数: 128

約数和(自身を含む): 713952000

約数和(自身を除く): 509921880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 840, 980, 1029, 1176, 1372, 1470, 1715, 1960, 2058, 2744, 2940, 3430, 4116, 4957, 5145, 5880, 6860, 8232, 9914, 10290, 13720, 14871, 19828, 20580, 24785, 29742, 34699, 39656, 41160, 49570, 59484, 69398, 74355, 99140, 104097, 118968, 138796, 148710, 173495, 198280, 208194, 242893, 277592, 297420, 346990, 416388, 485786, 520485, 594840, 693980, 728679, 832776, 971572, 1040970, 1214465, 1387960, 1457358, 1700251, 1943144, 2081940, 2428930, 2914716, 3400502, 3643395, 4163880, 4857860, 5100753, 5829432, 6801004, 7286790, 8501255, 9715720, 10201506, 13602008, 14573580, 17002510, 20403012, 25503765, 29147160, 34005020, 40806024, 51007530, 68010040, 102015060, 204030120]

約数ペア:

[(1, 204030120), (2, 102015060), (3, 68010040), (4, 51007530), (5, 40806024), (6, 34005020), (7, 29147160), (8, 25503765), (10, 20403012), (12, 17002510), (14, 14573580), (15, 13602008), (20, 10201506), (21, 9715720), (24, 8501255), (28, 7286790), (30, 6801004), (35, 5829432), (40, 5100753), (42, 4857860), (49, 4163880), (56, 3643395), (60, 3400502), (70, 2914716), (84, 2428930), (98, 2081940), (105, 1943144), (120, 1700251), (140, 1457358), (147, 1387960), (168, 1214465), (196, 1040970), (210, 971572), (245, 832776), (280, 728679), (294, 693980), (343, 594840), (392, 520485), (420, 485786), (490, 416388), (588, 346990), (686, 297420), (735, 277592), (840, 242893), (980, 208194), (1029, 198280), (1176, 173495), (1372, 148710), (1470, 138796), (1715, 118968), (1960, 104097), (2058, 99140), (2744, 74355), (2940, 69398), (3430, 59484), (4116, 49570), (4957, 41160), (5145, 39656), (5880, 34699), (6860, 29742), (8232, 24785), (9914, 20580), (10290, 19828), (13720, 14871)]