1213777760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{30713}}^1$

素因数の和:30760

約数の個数: 96

約数和(自身を含む): 3250769760

約数和(自身を除く): 2036992000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 760, 988, 1040, 1235, 1520, 1976, 2080, 2470, 3040, 3952, 4940, 7904, 9880, 19760, 30713, 39520, 61426, 122852, 153565, 245704, 307130, 399269, 491408, 583547, 614260, 798538, 982816, 1167094, 1228520, 1597076, 1996345, 2334188, 2457040, 2917735, 3194152, 3992690, 4668376, 4914080, 5835470, 6388304, 7586111, 7985380, 9336752, 11670940, 12776608, 15172222, 15970760, 18673504, 23341880, 30344444, 31941520, 37930555, 46683760, 60688888, 63883040, 75861110, 93367520, 121377776, 151722220, 242755552, 303444440, 606888880, 1213777760]

約数ペア:

[(1, 1213777760), (2, 606888880), (4, 303444440), (5, 242755552), (8, 151722220), (10, 121377776), (13, 93367520), (16, 75861110), (19, 63883040), (20, 60688888), (26, 46683760), (32, 37930555), (38, 31941520), (40, 30344444), (52, 23341880), (65, 18673504), (76, 15970760), (80, 15172222), (95, 12776608), (104, 11670940), (130, 9336752), (152, 7985380), (160, 7586111), (190, 6388304), (208, 5835470), (247, 4914080), (260, 4668376), (304, 3992690), (380, 3194152), (416, 2917735), (494, 2457040), (520, 2334188), (608, 1996345), (760, 1597076), (988, 1228520), (1040, 1167094), (1235, 982816), (1520, 798538), (1976, 614260), (2080, 583547), (2470, 491408), (3040, 399269), (3952, 307130), (4940, 245704), (7904, 153565), (9880, 122852), (19760, 61426), (30713, 39520)]