15787980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{173}}^1$

素因数の和:217

約数の個数: 144

約数和(自身を含む): 53494560

約数和(自身を除く): 37706580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 169, 173, 180, 195, 234, 260, 270, 338, 346, 351, 390, 468, 507, 519, 540, 585, 676, 692, 702, 780, 845, 865, 1014, 1038, 1170, 1404, 1521, 1557, 1690, 1730, 1755, 2028, 2076, 2249, 2340, 2535, 2595, 3042, 3114, 3380, 3460, 3510, 4498, 4563, 4671, 5070, 5190, 6084, 6228, 6747, 7020, 7605, 7785, 8996, 9126, 9342, 10140, 10380, 11245, 13494, 15210, 15570, 18252, 18684, 20241, 22490, 22815, 23355, 26988, 29237, 30420, 31140, 33735, 40482, 44980, 45630, 46710, 58474, 60723, 67470, 80964, 87711, 91260, 93420, 101205, 116948, 121446, 134940, 146185, 175422, 202410, 242892, 263133, 292370, 303615, 350844, 404820, 438555, 526266, 584740, 607230, 789399, 877110, 1052532, 1214460, 1315665, 1578798, 1754220, 2631330, 3157596, 3946995, 5262660, 7893990, 15787980]

約数ペア:

[(1, 15787980), (2, 7893990), (3, 5262660), (4, 3946995), (5, 3157596), (6, 2631330), (9, 1754220), (10, 1578798), (12, 1315665), (13, 1214460), (15, 1052532), (18, 877110), (20, 789399), (26, 607230), (27, 584740), (30, 526266), (36, 438555), (39, 404820), (45, 350844), (52, 303615), (54, 292370), (60, 263133), (65, 242892), (78, 202410), (90, 175422), (108, 146185), (117, 134940), (130, 121446), (135, 116948), (156, 101205), (169, 93420), (173, 91260), (180, 87711), (195, 80964), (234, 67470), (260, 60723), (270, 58474), (338, 46710), (346, 45630), (351, 44980), (390, 40482), (468, 33735), (507, 31140), (519, 30420), (540, 29237), (585, 26988), (676, 23355), (692, 22815), (702, 22490), (780, 20241), (845, 18684), (865, 18252), (1014, 15570), (1038, 15210), (1170, 13494), (1404, 11245), (1521, 10380), (1557, 10140), (1690, 9342), (1730, 9126), (1755, 8996), (2028, 7785), (2076, 7605), (2249, 7020), (2340, 6747), (2535, 6228), (2595, 6084), (3042, 5190), (3114, 5070), (3380, 4671), (3460, 4563), (3510, 4498)]