163941640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 406425600

約数和(自身を除く): 242483960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 47, 58, 62, 94, 97, 116, 124, 145, 155, 188, 194, 232, 235, 248, 290, 310, 376, 388, 470, 485, 580, 620, 776, 899, 940, 970, 1160, 1240, 1363, 1457, 1798, 1880, 1940, 2726, 2813, 2914, 3007, 3596, 3880, 4495, 4559, 5452, 5626, 5828, 6014, 6815, 7192, 7285, 8990, 9118, 10904, 11252, 11656, 12028, 13630, 14065, 14570, 15035, 17980, 18236, 22504, 22795, 24056, 27260, 28130, 29140, 30070, 35960, 36472, 42253, 45590, 54520, 56260, 58280, 60140, 84506, 87203, 91180, 112520, 120280, 132211, 141329, 169012, 174406, 182360, 211265, 264422, 282658, 338024, 348812, 422530, 436015, 528844, 565316, 661055, 697624, 706645, 845060, 872030, 1057688, 1130632, 1322110, 1413290, 1690120, 1744060, 2644220, 2826580, 3488120, 4098541, 5288440, 5653160, 8197082, 16394164, 20492705, 32788328, 40985410, 81970820, 163941640]

約数ペア:

[(1, 163941640), (2, 81970820), (4, 40985410), (5, 32788328), (8, 20492705), (10, 16394164), (20, 8197082), (29, 5653160), (31, 5288440), (40, 4098541), (47, 3488120), (58, 2826580), (62, 2644220), (94, 1744060), (97, 1690120), (116, 1413290), (124, 1322110), (145, 1130632), (155, 1057688), (188, 872030), (194, 845060), (232, 706645), (235, 697624), (248, 661055), (290, 565316), (310, 528844), (376, 436015), (388, 422530), (470, 348812), (485, 338024), (580, 282658), (620, 264422), (776, 211265), (899, 182360), (940, 174406), (970, 169012), (1160, 141329), (1240, 132211), (1363, 120280), (1457, 112520), (1798, 91180), (1880, 87203), (1940, 84506), (2726, 60140), (2813, 58280), (2914, 56260), (3007, 54520), (3596, 45590), (3880, 42253), (4495, 36472), (4559, 35960), (5452, 30070), (5626, 29140), (5828, 28130), (6014, 27260), (6815, 24056), (7192, 22795), (7285, 22504), (8990, 18236), (9118, 17980), (10904, 15035), (11252, 14570), (11656, 14065), (12028, 13630)]