81122040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2423}}^1$

素因数の和:2474

約数の個数: 128

約数和(自身を含む): 279244800

約数和(自身を除く): 198122760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 620, 744, 837, 930, 1080, 1116, 1240, 1395, 1674, 1860, 2232, 2423, 2790, 3348, 3720, 4185, 4846, 5580, 6696, 7269, 8370, 9692, 11160, 12115, 14538, 16740, 19384, 21807, 24230, 29076, 33480, 36345, 43614, 48460, 58152, 65421, 72690, 75113, 87228, 96920, 109035, 130842, 145380, 150226, 174456, 218070, 225339, 261684, 290760, 300452, 327105, 375565, 436140, 450678, 523368, 600904, 654210, 676017, 751130, 872280, 901356, 1126695, 1308420, 1352034, 1502260, 1802712, 2028051, 2253390, 2616840, 2704068, 3004520, 3380085, 4056102, 4506780, 5408136, 6760170, 8112204, 9013560, 10140255, 13520340, 16224408, 20280510, 27040680, 40561020, 81122040]

約数ペア:

[(1, 81122040), (2, 40561020), (3, 27040680), (4, 20280510), (5, 16224408), (6, 13520340), (8, 10140255), (9, 9013560), (10, 8112204), (12, 6760170), (15, 5408136), (18, 4506780), (20, 4056102), (24, 3380085), (27, 3004520), (30, 2704068), (31, 2616840), (36, 2253390), (40, 2028051), (45, 1802712), (54, 1502260), (60, 1352034), (62, 1308420), (72, 1126695), (90, 901356), (93, 872280), (108, 751130), (120, 676017), (124, 654210), (135, 600904), (155, 523368), (180, 450678), (186, 436140), (216, 375565), (248, 327105), (270, 300452), (279, 290760), (310, 261684), (360, 225339), (372, 218070), (465, 174456), (540, 150226), (558, 145380), (620, 130842), (744, 109035), (837, 96920), (930, 87228), (1080, 75113), (1116, 72690), (1240, 65421), (1395, 58152), (1674, 48460), (1860, 43614), (2232, 36345), (2423, 33480), (2790, 29076), (3348, 24230), (3720, 21807), (4185, 19384), (4846, 16740), (5580, 14538), (6696, 12115), (7269, 11160), (8370, 9692)]