40017960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1249}}^1$

素因数の和:1355

約数の個数: 96

約数和(自身を含む): 131625000

約数和(自身を除く): 91607040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 89, 90, 120, 178, 180, 267, 356, 360, 445, 534, 712, 801, 890, 1068, 1249, 1335, 1602, 1780, 2136, 2498, 2670, 3204, 3560, 3747, 4005, 4996, 5340, 6245, 6408, 7494, 8010, 9992, 10680, 11241, 12490, 14988, 16020, 18735, 22482, 24980, 29976, 32040, 37470, 44964, 49960, 56205, 74940, 89928, 111161, 112410, 149880, 222322, 224820, 333483, 444644, 449640, 555805, 666966, 889288, 1000449, 1111610, 1333932, 1667415, 2000898, 2223220, 2667864, 3334830, 4001796, 4446440, 5002245, 6669660, 8003592, 10004490, 13339320, 20008980, 40017960]

約数ペア:

[(1, 40017960), (2, 20008980), (3, 13339320), (4, 10004490), (5, 8003592), (6, 6669660), (8, 5002245), (9, 4446440), (10, 4001796), (12, 3334830), (15, 2667864), (18, 2223220), (20, 2000898), (24, 1667415), (30, 1333932), (36, 1111610), (40, 1000449), (45, 889288), (60, 666966), (72, 555805), (89, 449640), (90, 444644), (120, 333483), (178, 224820), (180, 222322), (267, 149880), (356, 112410), (360, 111161), (445, 89928), (534, 74940), (712, 56205), (801, 49960), (890, 44964), (1068, 37470), (1249, 32040), (1335, 29976), (1602, 24980), (1780, 22482), (2136, 18735), (2498, 16020), (2670, 14988), (3204, 12490), (3560, 11241), (3747, 10680), (4005, 9992), (4996, 8010), (5340, 7494), (6245, 6408)]