20125192080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{811}}^1\times {\mathrm{14771}}^1$

素因数の和:15605

約数の個数: 160

約数和(自身を含む): 71393430528

約数和(自身を除く): 51268238448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 811, 840, 1622, 1680, 2433, 3244, 4055, 4866, 5677, 6488, 8110, 9732, 11354, 12165, 12976, 14771, 16220, 17031, 19464, 22708, 24330, 28385, 29542, 32440, 34062, 38928, 44313, 45416, 48660, 56770, 59084, 64880, 68124, 73855, 85155, 88626, 90832, 97320, 103397, 113540, 118168, 136248, 147710, 170310, 177252, 194640, 206794, 221565, 227080, 236336, 272496, 295420, 310191, 340620, 354504, 413588, 443130, 454160, 516985, 590840, 620382, 681240, 709008, 827176, 886260, 1033970, 1181680, 1240764, 1362480, 1550955, 1654352, 1772520, 2067940, 2481528, 3101910, 3545040, 4135880, 4963056, 6203820, 8271760, 11979281, 12407640, 23958562, 24815280, 35937843, 47917124, 59896405, 71875686, 83854967, 95834248, 119792810, 143751372, 167709934, 179689215, 191668496, 239585620, 251564901, 287502744, 335419868, 359378430, 419274835, 479171240, 503129802, 575005488, 670839736, 718756860, 838549670, 958342480, 1006259604, 1257824505, 1341679472, 1437513720, 1677099340, 2012519208, 2515649010, 2875027440, 3354198680, 4025038416, 5031298020, 6708397360, 10062596040, 20125192080]

約数ペア:

[(1, 20125192080), (2, 10062596040), (3, 6708397360), (4, 5031298020), (5, 4025038416), (6, 3354198680), (7, 2875027440), (8, 2515649010), (10, 2012519208), (12, 1677099340), (14, 1437513720), (15, 1341679472), (16, 1257824505), (20, 1006259604), (21, 958342480), (24, 838549670), (28, 718756860), (30, 670839736), (35, 575005488), (40, 503129802), (42, 479171240), (48, 419274835), (56, 359378430), (60, 335419868), (70, 287502744), (80, 251564901), (84, 239585620), (105, 191668496), (112, 179689215), (120, 167709934), (140, 143751372), (168, 119792810), (210, 95834248), (240, 83854967), (280, 71875686), (336, 59896405), (420, 47917124), (560, 35937843), (811, 24815280), (840, 23958562), (1622, 12407640), (1680, 11979281), (2433, 8271760), (3244, 6203820), (4055, 4963056), (4866, 4135880), (5677, 3545040), (6488, 3101910), (8110, 2481528), (9732, 2067940), (11354, 1772520), (12165, 1654352), (12976, 1550955), (14771, 1362480), (16220, 1240764), (17031, 1181680), (19464, 1033970), (22708, 886260), (24330, 827176), (28385, 709008), (29542, 681240), (32440, 620382), (34062, 590840), (38928, 516985), (44313, 454160), (45416, 443130), (48660, 413588), (56770, 354504), (59084, 340620), (64880, 310191), (68124, 295420), (73855, 272496), (85155, 236336), (88626, 227080), (90832, 221565), (97320, 206794), (103397, 194640), (113540, 177252), (118168, 170310), (136248, 147710)]