138806220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1523}}^1$

素因数の和:1580

約数の個数: 144

約数和(自身を含む): 467002368

約数和(自身を除く): 328196148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 930, 980, 1085, 1302, 1470, 1519, 1523, 1860, 2170, 2604, 2940, 3038, 3046, 3255, 4340, 4557, 4569, 6076, 6092, 6510, 7595, 7615, 9114, 9138, 10661, 13020, 15190, 15230, 18228, 18276, 21322, 22785, 22845, 30380, 30460, 31983, 42644, 45570, 45690, 47213, 53305, 63966, 74627, 91140, 91380, 94426, 106610, 127932, 141639, 149254, 159915, 188852, 213220, 223881, 236065, 283278, 298508, 319830, 330491, 373135, 447762, 472130, 566556, 639660, 660982, 708195, 746270, 895524, 944260, 991473, 1119405, 1321964, 1416390, 1492540, 1652455, 1982946, 2238810, 2313437, 2832780, 3304910, 3965892, 4477620, 4626874, 4957365, 6609820, 6940311, 9253748, 9914730, 11567185, 13880622, 19829460, 23134370, 27761244, 34701555, 46268740, 69403110, 138806220]

約数ペア:

[(1, 138806220), (2, 69403110), (3, 46268740), (4, 34701555), (5, 27761244), (6, 23134370), (7, 19829460), (10, 13880622), (12, 11567185), (14, 9914730), (15, 9253748), (20, 6940311), (21, 6609820), (28, 4957365), (30, 4626874), (31, 4477620), (35, 3965892), (42, 3304910), (49, 2832780), (60, 2313437), (62, 2238810), (70, 1982946), (84, 1652455), (93, 1492540), (98, 1416390), (105, 1321964), (124, 1119405), (140, 991473), (147, 944260), (155, 895524), (186, 746270), (196, 708195), (210, 660982), (217, 639660), (245, 566556), (294, 472130), (310, 447762), (372, 373135), (420, 330491), (434, 319830), (465, 298508), (490, 283278), (588, 236065), (620, 223881), (651, 213220), (735, 188852), (868, 159915), (930, 149254), (980, 141639), (1085, 127932), (1302, 106610), (1470, 94426), (1519, 91380), (1523, 91140), (1860, 74627), (2170, 63966), (2604, 53305), (2940, 47213), (3038, 45690), (3046, 45570), (3255, 42644), (4340, 31983), (4557, 30460), (4569, 30380), (6076, 22845), (6092, 22785), (6510, 21322), (7595, 18276), (7615, 18228), (9114, 15230), (9138, 15190), (10661, 13020)]