40453920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2161}}^1$

素因数の和:2195

約数の個数: 144

約数和(自身を含む): 148736952

約数和(自身を除く): 108283032

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2161, 2340, 3120, 3744, 4322, 4680, 6240, 6483, 8644, 9360, 10805, 12966, 17288, 18720, 19449, 21610, 25932, 28093, 32415, 34576, 38898, 43220, 51864, 56186, 64830, 69152, 77796, 84279, 86440, 97245, 103728, 112372, 129660, 140465, 155592, 168558, 172880, 194490, 207456, 224744, 252837, 259320, 280930, 311184, 337116, 345760, 388980, 421395, 449488, 505674, 518640, 561860, 622368, 674232, 777960, 842790, 898976, 1011348, 1037280, 1123720, 1264185, 1348464, 1555920, 1685580, 2022696, 2247440, 2528370, 2696928, 3111840, 3371160, 4045392, 4494880, 5056740, 6742320, 8090784, 10113480, 13484640, 20226960, 40453920]

約数ペア:

[(1, 40453920), (2, 20226960), (3, 13484640), (4, 10113480), (5, 8090784), (6, 6742320), (8, 5056740), (9, 4494880), (10, 4045392), (12, 3371160), (13, 3111840), (15, 2696928), (16, 2528370), (18, 2247440), (20, 2022696), (24, 1685580), (26, 1555920), (30, 1348464), (32, 1264185), (36, 1123720), (39, 1037280), (40, 1011348), (45, 898976), (48, 842790), (52, 777960), (60, 674232), (65, 622368), (72, 561860), (78, 518640), (80, 505674), (90, 449488), (96, 421395), (104, 388980), (117, 345760), (120, 337116), (130, 311184), (144, 280930), (156, 259320), (160, 252837), (180, 224744), (195, 207456), (208, 194490), (234, 172880), (240, 168558), (260, 155592), (288, 140465), (312, 129660), (360, 112372), (390, 103728), (416, 97245), (468, 86440), (480, 84279), (520, 77796), (585, 69152), (624, 64830), (720, 56186), (780, 51864), (936, 43220), (1040, 38898), (1170, 34576), (1248, 32415), (1440, 28093), (1560, 25932), (1872, 21610), (2080, 19449), (2161, 18720), (2340, 17288), (3120, 12966), (3744, 10805), (4322, 9360), (4680, 8644), (6240, 6483)]