47640282920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1\times {\mathrm{2087}}^1$

素因数の和:2619

約数の個数: 128

約数和(自身を含む): 113654016000

約数和(自身を除く): 66013733080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 449, 620, 820, 898, 1240, 1271, 1640, 1796, 2087, 2245, 2542, 3592, 4174, 4490, 5084, 6355, 8348, 8980, 10168, 10435, 12710, 13919, 16696, 17960, 18409, 20870, 25420, 27838, 36818, 41740, 50840, 55676, 64697, 69595, 73636, 83480, 85567, 92045, 111352, 129394, 139190, 147272, 171134, 184090, 258788, 278380, 323485, 342268, 368180, 427835, 517576, 556760, 570679, 646970, 684536, 736360, 855670, 937063, 1141358, 1293940, 1711340, 1874126, 2282716, 2587880, 2652577, 2853395, 3422680, 3748252, 4565432, 4685315, 5305154, 5706790, 7496504, 9370630, 10610308, 11413580, 13262885, 18741260, 21220616, 22827160, 26525770, 29048953, 37482520, 38419583, 53051540, 58097906, 76839166, 106103080, 116195812, 145244765, 153678332, 192097915, 232391624, 290489530, 307356664, 384195830, 580979060, 768391660, 1161958120, 1191007073, 1536783320, 2382014146, 4764028292, 5955035365, 9528056584, 11910070730, 23820141460, 47640282920]

約数ペア:

[(1, 47640282920), (2, 23820141460), (4, 11910070730), (5, 9528056584), (8, 5955035365), (10, 4764028292), (20, 2382014146), (31, 1536783320), (40, 1191007073), (41, 1161958120), (62, 768391660), (82, 580979060), (124, 384195830), (155, 307356664), (164, 290489530), (205, 232391624), (248, 192097915), (310, 153678332), (328, 145244765), (410, 116195812), (449, 106103080), (620, 76839166), (820, 58097906), (898, 53051540), (1240, 38419583), (1271, 37482520), (1640, 29048953), (1796, 26525770), (2087, 22827160), (2245, 21220616), (2542, 18741260), (3592, 13262885), (4174, 11413580), (4490, 10610308), (5084, 9370630), (6355, 7496504), (8348, 5706790), (8980, 5305154), (10168, 4685315), (10435, 4565432), (12710, 3748252), (13919, 3422680), (16696, 2853395), (17960, 2652577), (18409, 2587880), (20870, 2282716), (25420, 1874126), (27838, 1711340), (36818, 1293940), (41740, 1141358), (50840, 937063), (55676, 855670), (64697, 736360), (69595, 684536), (73636, 646970), (83480, 570679), (85567, 556760), (92045, 517576), (111352, 427835), (129394, 368180), (139190, 342268), (147272, 323485), (171134, 278380), (184090, 258788)]