1209306720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{31891}}^1$

素因数の和:31988

約数の個数: 96

約数和(自身を含む): 3857656320

約数和(自身を除く): 2648349600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 79, 80, 96, 120, 158, 160, 237, 240, 316, 395, 474, 480, 632, 790, 948, 1185, 1264, 1580, 1896, 2370, 2528, 3160, 3792, 4740, 6320, 7584, 9480, 12640, 18960, 31891, 37920, 63782, 95673, 127564, 159455, 191346, 255128, 318910, 382692, 478365, 510256, 637820, 765384, 956730, 1020512, 1275640, 1530768, 1913460, 2519389, 2551280, 3061536, 3826920, 5038778, 5102560, 7558167, 7653840, 10077556, 12596945, 15116334, 15307680, 20155112, 25193890, 30232668, 37790835, 40310224, 50387780, 60465336, 75581670, 80620448, 100775560, 120930672, 151163340, 201551120, 241861344, 302326680, 403102240, 604653360, 1209306720]

約数ペア:

[(1, 1209306720), (2, 604653360), (3, 403102240), (4, 302326680), (5, 241861344), (6, 201551120), (8, 151163340), (10, 120930672), (12, 100775560), (15, 80620448), (16, 75581670), (20, 60465336), (24, 50387780), (30, 40310224), (32, 37790835), (40, 30232668), (48, 25193890), (60, 20155112), (79, 15307680), (80, 15116334), (96, 12596945), (120, 10077556), (158, 7653840), (160, 7558167), (237, 5102560), (240, 5038778), (316, 3826920), (395, 3061536), (474, 2551280), (480, 2519389), (632, 1913460), (790, 1530768), (948, 1275640), (1185, 1020512), (1264, 956730), (1580, 765384), (1896, 637820), (2370, 510256), (2528, 478365), (3160, 382692), (3792, 318910), (4740, 255128), (6320, 191346), (7584, 159455), (9480, 127564), (12640, 95673), (18960, 63782), (31891, 37920)]