172411020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3727}}^1$

素因数の和:3999

約数の個数: 72

約数和(自身を含む): 525155904

約数和(自身を除く): 352744884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1285, 1542, 2313, 2570, 3084, 3727, 3855, 4626, 5140, 7454, 7710, 9252, 11181, 11565, 14908, 15420, 18635, 22362, 23130, 33543, 37270, 44724, 46260, 55905, 67086, 74540, 111810, 134172, 167715, 223620, 335430, 670860, 957839, 1915678, 2873517, 3831356, 4789195, 5747034, 8620551, 9578390, 11494068, 14367585, 17241102, 19156780, 28735170, 34482204, 43102755, 57470340, 86205510, 172411020]

約数ペア:

[(1, 172411020), (2, 86205510), (3, 57470340), (4, 43102755), (5, 34482204), (6, 28735170), (9, 19156780), (10, 17241102), (12, 14367585), (15, 11494068), (18, 9578390), (20, 8620551), (30, 5747034), (36, 4789195), (45, 3831356), (60, 2873517), (90, 1915678), (180, 957839), (257, 670860), (514, 335430), (771, 223620), (1028, 167715), (1285, 134172), (1542, 111810), (2313, 74540), (2570, 67086), (3084, 55905), (3727, 46260), (3855, 44724), (4626, 37270), (5140, 33543), (7454, 23130), (7710, 22362), (9252, 18635), (11181, 15420), (11565, 14908)]