642089520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21751}}^1$

素因数の和:21811

約数の個数: 120

約数和(自身を含む): 2209046112

約数和(自身を除く): 1566956592

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 120, 123, 144, 164, 180, 205, 240, 246, 328, 360, 369, 410, 492, 615, 656, 720, 738, 820, 984, 1230, 1476, 1640, 1845, 1968, 2460, 2952, 3280, 3690, 4920, 5904, 7380, 9840, 14760, 21751, 29520, 43502, 65253, 87004, 108755, 130506, 174008, 195759, 217510, 261012, 326265, 348016, 391518, 435020, 522024, 652530, 783036, 870040, 891791, 978795, 1044048, 1305060, 1566072, 1740080, 1783582, 1957590, 2610120, 2675373, 3132144, 3567164, 3915180, 4458955, 5220240, 5350746, 7134328, 7830360, 8026119, 8917910, 10701492, 13376865, 14268656, 15660720, 16052238, 17835820, 21402984, 26753730, 32104476, 35671640, 40130595, 42805968, 53507460, 64208952, 71343280, 80261190, 107014920, 128417904, 160522380, 214029840, 321044760, 642089520]

約数ペア:

[(1, 642089520), (2, 321044760), (3, 214029840), (4, 160522380), (5, 128417904), (6, 107014920), (8, 80261190), (9, 71343280), (10, 64208952), (12, 53507460), (15, 42805968), (16, 40130595), (18, 35671640), (20, 32104476), (24, 26753730), (30, 21402984), (36, 17835820), (40, 16052238), (41, 15660720), (45, 14268656), (48, 13376865), (60, 10701492), (72, 8917910), (80, 8026119), (82, 7830360), (90, 7134328), (120, 5350746), (123, 5220240), (144, 4458955), (164, 3915180), (180, 3567164), (205, 3132144), (240, 2675373), (246, 2610120), (328, 1957590), (360, 1783582), (369, 1740080), (410, 1566072), (492, 1305060), (615, 1044048), (656, 978795), (720, 891791), (738, 870040), (820, 783036), (984, 652530), (1230, 522024), (1476, 435020), (1640, 391518), (1845, 348016), (1968, 326265), (2460, 261012), (2952, 217510), (3280, 195759), (3690, 174008), (4920, 130506), (5904, 108755), (7380, 87004), (9840, 65253), (14760, 43502), (21751, 29520)]