255705180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{659}}^1$

素因数の和:923

約数の個数: 96

約数和(自身を含む): 745113600

約数和(自身を除く): 489408420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 223, 290, 348, 435, 446, 580, 659, 669, 870, 892, 1115, 1318, 1338, 1740, 1977, 2230, 2636, 2676, 3295, 3345, 3954, 4460, 6467, 6590, 6690, 7908, 9885, 12934, 13180, 13380, 19111, 19401, 19770, 25868, 32335, 38222, 38802, 39540, 57333, 64670, 76444, 77604, 95555, 97005, 114666, 129340, 146957, 191110, 194010, 229332, 286665, 293914, 382220, 388020, 440871, 573330, 587828, 734785, 881742, 1146660, 1469570, 1763484, 2204355, 2939140, 4261753, 4408710, 8523506, 8817420, 12785259, 17047012, 21308765, 25570518, 42617530, 51141036, 63926295, 85235060, 127852590, 255705180]

約数ペア:

[(1, 255705180), (2, 127852590), (3, 85235060), (4, 63926295), (5, 51141036), (6, 42617530), (10, 25570518), (12, 21308765), (15, 17047012), (20, 12785259), (29, 8817420), (30, 8523506), (58, 4408710), (60, 4261753), (87, 2939140), (116, 2204355), (145, 1763484), (174, 1469570), (223, 1146660), (290, 881742), (348, 734785), (435, 587828), (446, 573330), (580, 440871), (659, 388020), (669, 382220), (870, 293914), (892, 286665), (1115, 229332), (1318, 194010), (1338, 191110), (1740, 146957), (1977, 129340), (2230, 114666), (2636, 97005), (2676, 95555), (3295, 77604), (3345, 76444), (3954, 64670), (4460, 57333), (6467, 39540), (6590, 38802), (6690, 38222), (7908, 32335), (9885, 25868), (12934, 19770), (13180, 19401), (13380, 19111)]