78931680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{569}}^1$

素因数の和:621

約数の個数: 144

約数和(自身を含む): 264584880

約数和(自身を除く): 185653200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 289, 340, 408, 480, 510, 544, 569, 578, 680, 816, 867, 1020, 1138, 1156, 1360, 1445, 1632, 1707, 1734, 2040, 2276, 2312, 2720, 2845, 2890, 3414, 3468, 4080, 4335, 4552, 4624, 5690, 5780, 6828, 6936, 8160, 8535, 8670, 9104, 9248, 9673, 11380, 11560, 13656, 13872, 17070, 17340, 18208, 19346, 22760, 23120, 27312, 27744, 29019, 34140, 34680, 38692, 45520, 46240, 48365, 54624, 58038, 68280, 69360, 77384, 91040, 96730, 116076, 136560, 138720, 145095, 154768, 164441, 193460, 232152, 273120, 290190, 309536, 328882, 386920, 464304, 493323, 580380, 657764, 773840, 822205, 928608, 986646, 1160760, 1315528, 1547680, 1644410, 1973292, 2321520, 2466615, 2631056, 3288820, 3946584, 4643040, 4933230, 5262112, 6577640, 7893168, 9866460, 13155280, 15786336, 19732920, 26310560, 39465840, 78931680]

約数ペア:

[(1, 78931680), (2, 39465840), (3, 26310560), (4, 19732920), (5, 15786336), (6, 13155280), (8, 9866460), (10, 7893168), (12, 6577640), (15, 5262112), (16, 4933230), (17, 4643040), (20, 3946584), (24, 3288820), (30, 2631056), (32, 2466615), (34, 2321520), (40, 1973292), (48, 1644410), (51, 1547680), (60, 1315528), (68, 1160760), (80, 986646), (85, 928608), (96, 822205), (102, 773840), (120, 657764), (136, 580380), (160, 493323), (170, 464304), (204, 386920), (240, 328882), (255, 309536), (272, 290190), (289, 273120), (340, 232152), (408, 193460), (480, 164441), (510, 154768), (544, 145095), (569, 138720), (578, 136560), (680, 116076), (816, 96730), (867, 91040), (1020, 77384), (1138, 69360), (1156, 68280), (1360, 58038), (1445, 54624), (1632, 48365), (1707, 46240), (1734, 45520), (2040, 38692), (2276, 34680), (2312, 34140), (2720, 29019), (2845, 27744), (2890, 27312), (3414, 23120), (3468, 22760), (4080, 19346), (4335, 18208), (4552, 17340), (4624, 17070), (5690, 13872), (5780, 13656), (6828, 11560), (6936, 11380), (8160, 9673), (8535, 9248), (8670, 9104)]