161418420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2693}}^1$

素因数の和:2751

約数の個数: 120

約数和(自身を含む): 520254504

約数和(自身を除く): 358836084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 90, 108, 111, 135, 148, 162, 180, 185, 222, 270, 324, 333, 370, 405, 444, 540, 555, 666, 740, 810, 999, 1110, 1332, 1620, 1665, 1998, 2220, 2693, 2997, 3330, 3996, 4995, 5386, 5994, 6660, 8079, 9990, 10772, 11988, 13465, 14985, 16158, 19980, 24237, 26930, 29970, 32316, 40395, 48474, 53860, 59940, 72711, 80790, 96948, 99641, 121185, 145422, 161580, 199282, 218133, 242370, 290844, 298923, 363555, 398564, 436266, 484740, 498205, 597846, 727110, 872532, 896769, 996410, 1090665, 1195692, 1454220, 1494615, 1793538, 1992820, 2181330, 2690307, 2989230, 3587076, 4362660, 4483845, 5380614, 5978460, 8070921, 8967690, 10761228, 13451535, 16141842, 17935380, 26903070, 32283684, 40354605, 53806140, 80709210, 161418420]

約数ペア:

[(1, 161418420), (2, 80709210), (3, 53806140), (4, 40354605), (5, 32283684), (6, 26903070), (9, 17935380), (10, 16141842), (12, 13451535), (15, 10761228), (18, 8967690), (20, 8070921), (27, 5978460), (30, 5380614), (36, 4483845), (37, 4362660), (45, 3587076), (54, 2989230), (60, 2690307), (74, 2181330), (81, 1992820), (90, 1793538), (108, 1494615), (111, 1454220), (135, 1195692), (148, 1090665), (162, 996410), (180, 896769), (185, 872532), (222, 727110), (270, 597846), (324, 498205), (333, 484740), (370, 436266), (405, 398564), (444, 363555), (540, 298923), (555, 290844), (666, 242370), (740, 218133), (810, 199282), (999, 161580), (1110, 145422), (1332, 121185), (1620, 99641), (1665, 96948), (1998, 80790), (2220, 72711), (2693, 59940), (2997, 53860), (3330, 48474), (3996, 40395), (4995, 32316), (5386, 29970), (5994, 26930), (6660, 24237), (8079, 19980), (9990, 16158), (10772, 14985), (11988, 13465)]