71352330680

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{601}}^1$

素因数の和:1045

約数の個数: 128

約数和(自身を含む): 164204409600

約数和(自身を除く): 92852078920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 139, 163, 262, 278, 326, 524, 556, 601, 652, 655, 695, 815, 1048, 1112, 1202, 1304, 1310, 1390, 1630, 2404, 2620, 2780, 3005, 3260, 4808, 5240, 5560, 6010, 6520, 12020, 18209, 21353, 22657, 24040, 36418, 42706, 45314, 72836, 78731, 83539, 85412, 90628, 91045, 97963, 106765, 113285, 145672, 157462, 167078, 170824, 181256, 182090, 195926, 213530, 226570, 314924, 334156, 364180, 391852, 393655, 417695, 427060, 453140, 489815, 629848, 668312, 728360, 783704, 787310, 835390, 854120, 906280, 979630, 1574620, 1670780, 1959260, 2968067, 3149240, 3341560, 3918520, 5936134, 10943609, 11872268, 12833153, 13616857, 14840335, 21887218, 23744536, 25666306, 27233714, 29680670, 43774436, 51332612, 54467428, 54718045, 59361340, 64165765, 68084285, 87548872, 102665224, 108934856, 109436090, 118722680, 128331530, 136168570, 218872180, 256663060, 272337140, 437744360, 513326120, 544674280, 1783808267, 3567616534, 7135233068, 8919041335, 14270466136, 17838082670, 35676165340, 71352330680]

約数ペア:

[(1, 71352330680), (2, 35676165340), (4, 17838082670), (5, 14270466136), (8, 8919041335), (10, 7135233068), (20, 3567616534), (40, 1783808267), (131, 544674280), (139, 513326120), (163, 437744360), (262, 272337140), (278, 256663060), (326, 218872180), (524, 136168570), (556, 128331530), (601, 118722680), (652, 109436090), (655, 108934856), (695, 102665224), (815, 87548872), (1048, 68084285), (1112, 64165765), (1202, 59361340), (1304, 54718045), (1310, 54467428), (1390, 51332612), (1630, 43774436), (2404, 29680670), (2620, 27233714), (2780, 25666306), (3005, 23744536), (3260, 21887218), (4808, 14840335), (5240, 13616857), (5560, 12833153), (6010, 11872268), (6520, 10943609), (12020, 5936134), (18209, 3918520), (21353, 3341560), (22657, 3149240), (24040, 2968067), (36418, 1959260), (42706, 1670780), (45314, 1574620), (72836, 979630), (78731, 906280), (83539, 854120), (85412, 835390), (90628, 787310), (91045, 783704), (97963, 728360), (106765, 668312), (113285, 629848), (145672, 489815), (157462, 453140), (167078, 427060), (170824, 417695), (181256, 393655), (182090, 391852), (195926, 364180), (213530, 334156), (226570, 314924)]