780981760

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:824

約数の個数: 160

約数和(自身を含む): 2084366592

約数和(自身を除く): 1303384832

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 512, 520, 620, 640, 757, 806, 832, 992, 1040, 1240, 1280, 1514, 1612, 1664, 1984, 2015, 2080, 2480, 2560, 3028, 3224, 3328, 3785, 3968, 4030, 4160, 4960, 6056, 6448, 6656, 7570, 7936, 8060, 8320, 9841, 9920, 12112, 12896, 15140, 15872, 16120, 16640, 19682, 19840, 23467, 24224, 25792, 30280, 32240, 33280, 39364, 39680, 46934, 48448, 49205, 51584, 60560, 64480, 78728, 79360, 93868, 96896, 98410, 103168, 117335, 121120, 128960, 157456, 187736, 193792, 196820, 206336, 234670, 242240, 257920, 305071, 314912, 375472, 387584, 393640, 469340, 484480, 515840, 610142, 629824, 750944, 787280, 938680, 968960, 1031680, 1220284, 1259648, 1501888, 1525355, 1574560, 1877360, 1937920, 2440568, 2519296, 3003776, 3050710, 3149120, 3754720, 4881136, 5038592, 6007552, 6101420, 6298240, 7509440, 9762272, 12015104, 12202840, 12596480, 15018880, 19524544, 24405680, 25192960, 30037760, 39049088, 48811360, 60075520, 78098176, 97622720, 156196352, 195245440, 390490880, 780981760]

約数ペア:

[(1, 780981760), (2, 390490880), (4, 195245440), (5, 156196352), (8, 97622720), (10, 78098176), (13, 60075520), (16, 48811360), (20, 39049088), (26, 30037760), (31, 25192960), (32, 24405680), (40, 19524544), (52, 15018880), (62, 12596480), (64, 12202840), (65, 12015104), (80, 9762272), (104, 7509440), (124, 6298240), (128, 6101420), (130, 6007552), (155, 5038592), (160, 4881136), (208, 3754720), (248, 3149120), (256, 3050710), (260, 3003776), (310, 2519296), (320, 2440568), (403, 1937920), (416, 1877360), (496, 1574560), (512, 1525355), (520, 1501888), (620, 1259648), (640, 1220284), (757, 1031680), (806, 968960), (832, 938680), (992, 787280), (1040, 750944), (1240, 629824), (1280, 610142), (1514, 515840), (1612, 484480), (1664, 469340), (1984, 393640), (2015, 387584), (2080, 375472), (2480, 314912), (2560, 305071), (3028, 257920), (3224, 242240), (3328, 234670), (3785, 206336), (3968, 196820), (4030, 193792), (4160, 187736), (4960, 157456), (6056, 128960), (6448, 121120), (6656, 117335), (7570, 103168), (7936, 98410), (8060, 96896), (8320, 93868), (9841, 79360), (9920, 78728), (12112, 64480), (12896, 60560), (15140, 51584), (15872, 49205), (16120, 48448), (16640, 46934), (19682, 39680), (19840, 39364), (23467, 33280), (24224, 32240), (25792, 30280)]