1270933040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:635

約数の個数: 160

約数和(自身を含む): 3333120000

約数和(自身を除く): 2062186960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 79, 80, 104, 124, 130, 155, 158, 208, 248, 260, 310, 316, 395, 403, 496, 499, 520, 620, 632, 790, 806, 998, 1027, 1040, 1240, 1264, 1580, 1612, 1996, 2015, 2054, 2449, 2480, 2495, 3160, 3224, 3992, 4030, 4108, 4898, 4990, 5135, 6320, 6448, 6487, 7984, 8060, 8216, 9796, 9980, 10270, 12245, 12974, 15469, 16120, 16432, 19592, 19960, 20540, 24490, 25948, 30938, 31837, 32240, 32435, 39184, 39421, 39920, 41080, 48980, 51896, 61876, 63674, 64870, 77345, 78842, 82160, 97960, 103792, 123752, 127348, 129740, 154690, 157684, 159185, 195920, 197105, 201097, 247504, 254696, 259480, 309380, 315368, 318370, 394210, 402194, 509392, 512473, 518960, 618760, 630736, 636740, 788420, 804388, 1005485, 1024946, 1222051, 1237520, 1273480, 1576840, 1608776, 2010970, 2049892, 2444102, 2546960, 2562365, 3153680, 3217552, 4021940, 4099784, 4888204, 5124730, 6110255, 8043880, 8199568, 9776408, 10249460, 12220510, 15886663, 16087760, 19552816, 20498920, 24441020, 31773326, 40997840, 48882040, 63546652, 79433315, 97764080, 127093304, 158866630, 254186608, 317733260, 635466520, 1270933040]

約数ペア:

[(1, 1270933040), (2, 635466520), (4, 317733260), (5, 254186608), (8, 158866630), (10, 127093304), (13, 97764080), (16, 79433315), (20, 63546652), (26, 48882040), (31, 40997840), (40, 31773326), (52, 24441020), (62, 20498920), (65, 19552816), (79, 16087760), (80, 15886663), (104, 12220510), (124, 10249460), (130, 9776408), (155, 8199568), (158, 8043880), (208, 6110255), (248, 5124730), (260, 4888204), (310, 4099784), (316, 4021940), (395, 3217552), (403, 3153680), (496, 2562365), (499, 2546960), (520, 2444102), (620, 2049892), (632, 2010970), (790, 1608776), (806, 1576840), (998, 1273480), (1027, 1237520), (1040, 1222051), (1240, 1024946), (1264, 1005485), (1580, 804388), (1612, 788420), (1996, 636740), (2015, 630736), (2054, 618760), (2449, 518960), (2480, 512473), (2495, 509392), (3160, 402194), (3224, 394210), (3992, 318370), (4030, 315368), (4108, 309380), (4898, 259480), (4990, 254696), (5135, 247504), (6320, 201097), (6448, 197105), (6487, 195920), (7984, 159185), (8060, 157684), (8216, 154690), (9796, 129740), (9980, 127348), (10270, 123752), (12245, 103792), (12974, 97960), (15469, 82160), (16120, 78842), (16432, 77345), (19592, 64870), (19960, 63674), (20540, 61876), (24490, 51896), (25948, 48980), (30938, 41080), (31837, 39920), (32240, 39421), (32435, 39184)]