15945320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 38491200

約数和(自身を除く): 22545880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 131, 136, 170, 179, 262, 340, 358, 524, 655, 680, 716, 895, 1048, 1310, 1432, 1790, 2227, 2620, 3043, 3580, 4454, 5240, 6086, 7160, 8908, 11135, 12172, 15215, 17816, 22270, 23449, 24344, 30430, 44540, 46898, 60860, 89080, 93796, 117245, 121720, 187592, 234490, 398633, 468980, 797266, 937960, 1594532, 1993165, 3189064, 3986330, 7972660, 15945320]

約数ペア:

[(1, 15945320), (2, 7972660), (4, 3986330), (5, 3189064), (8, 1993165), (10, 1594532), (17, 937960), (20, 797266), (34, 468980), (40, 398633), (68, 234490), (85, 187592), (131, 121720), (136, 117245), (170, 93796), (179, 89080), (262, 60860), (340, 46898), (358, 44540), (524, 30430), (655, 24344), (680, 23449), (716, 22270), (895, 17816), (1048, 15215), (1310, 12172), (1432, 11135), (1790, 8908), (2227, 7160), (2620, 6086), (3043, 5240), (3580, 4454)]