1639454960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1031}}^1$

素因数の和:1207

約数の個数: 160

約数和(自身を含む): 4514711040

約数和(自身を除く): 2875256080

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 139, 143, 176, 208, 220, 260, 278, 286, 440, 520, 556, 572, 695, 715, 880, 1031, 1040, 1112, 1144, 1390, 1430, 1529, 1807, 2062, 2224, 2288, 2780, 2860, 3058, 3614, 4124, 5155, 5560, 5720, 6116, 7228, 7645, 8248, 9035, 10310, 11120, 11341, 11440, 12232, 13403, 14456, 15290, 16496, 18070, 19877, 20620, 22682, 24464, 26806, 28912, 30580, 36140, 39754, 41240, 45364, 53612, 56705, 61160, 67015, 72280, 79508, 82480, 90728, 99385, 107224, 113410, 122320, 134030, 143309, 144560, 147433, 159016, 181456, 198770, 214448, 226820, 268060, 286618, 294866, 318032, 397540, 453640, 536120, 573236, 589732, 716545, 737165, 795080, 907280, 1072240, 1146472, 1179464, 1433090, 1474330, 1576399, 1590160, 1863017, 2292944, 2358928, 2866180, 2948660, 3152798, 3726034, 5732360, 5897320, 6305596, 7452068, 7881995, 9315085, 11464720, 11794640, 12611192, 14904136, 15763990, 18630170, 20493187, 25222384, 29808272, 31527980, 37260340, 40986374, 63055960, 74520680, 81972748, 102465935, 126111920, 149041360, 163945496, 204931870, 327890992, 409863740, 819727480, 1639454960]

約数ペア:

[(1, 1639454960), (2, 819727480), (4, 409863740), (5, 327890992), (8, 204931870), (10, 163945496), (11, 149041360), (13, 126111920), (16, 102465935), (20, 81972748), (22, 74520680), (26, 63055960), (40, 40986374), (44, 37260340), (52, 31527980), (55, 29808272), (65, 25222384), (80, 20493187), (88, 18630170), (104, 15763990), (110, 14904136), (130, 12611192), (139, 11794640), (143, 11464720), (176, 9315085), (208, 7881995), (220, 7452068), (260, 6305596), (278, 5897320), (286, 5732360), (440, 3726034), (520, 3152798), (556, 2948660), (572, 2866180), (695, 2358928), (715, 2292944), (880, 1863017), (1031, 1590160), (1040, 1576399), (1112, 1474330), (1144, 1433090), (1390, 1179464), (1430, 1146472), (1529, 1072240), (1807, 907280), (2062, 795080), (2224, 737165), (2288, 716545), (2780, 589732), (2860, 573236), (3058, 536120), (3614, 453640), (4124, 397540), (5155, 318032), (5560, 294866), (5720, 286618), (6116, 268060), (7228, 226820), (7645, 214448), (8248, 198770), (9035, 181456), (10310, 159016), (11120, 147433), (11341, 144560), (11440, 143309), (12232, 134030), (13403, 122320), (14456, 113410), (15290, 107224), (16496, 99385), (18070, 90728), (19877, 82480), (20620, 79508), (22682, 72280), (24464, 67015), (26806, 61160), (28912, 56705), (30580, 53612), (36140, 45364), (39754, 41240)]