80970780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{587}}^1$

素因数の和:640

約数の個数: 144

約数和(自身を含む): 262765440

約数和(自身を除く): 181794660

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 76, 95, 110, 114, 121, 132, 165, 190, 209, 220, 228, 242, 285, 330, 363, 380, 418, 484, 570, 587, 605, 627, 660, 726, 836, 1045, 1140, 1174, 1210, 1254, 1452, 1761, 1815, 2090, 2299, 2348, 2420, 2508, 2935, 3135, 3522, 3630, 4180, 4598, 5870, 6270, 6457, 6897, 7044, 7260, 8805, 9196, 11153, 11495, 11740, 12540, 12914, 13794, 17610, 19371, 22306, 22990, 25828, 27588, 32285, 33459, 34485, 35220, 38742, 44612, 45980, 55765, 64570, 66918, 68970, 71027, 77484, 96855, 111530, 122683, 129140, 133836, 137940, 142054, 167295, 193710, 213081, 223060, 245366, 284108, 334590, 355135, 368049, 387420, 426162, 490732, 613415, 669180, 710270, 736098, 852324, 1065405, 1226830, 1349513, 1420540, 1472196, 1840245, 2130810, 2453660, 2699026, 3680490, 4048539, 4261620, 5398052, 6747565, 7360980, 8097078, 13495130, 16194156, 20242695, 26990260, 40485390, 80970780]

約数ペア:

[(1, 80970780), (2, 40485390), (3, 26990260), (4, 20242695), (5, 16194156), (6, 13495130), (10, 8097078), (11, 7360980), (12, 6747565), (15, 5398052), (19, 4261620), (20, 4048539), (22, 3680490), (30, 2699026), (33, 2453660), (38, 2130810), (44, 1840245), (55, 1472196), (57, 1420540), (60, 1349513), (66, 1226830), (76, 1065405), (95, 852324), (110, 736098), (114, 710270), (121, 669180), (132, 613415), (165, 490732), (190, 426162), (209, 387420), (220, 368049), (228, 355135), (242, 334590), (285, 284108), (330, 245366), (363, 223060), (380, 213081), (418, 193710), (484, 167295), (570, 142054), (587, 137940), (605, 133836), (627, 129140), (660, 122683), (726, 111530), (836, 96855), (1045, 77484), (1140, 71027), (1174, 68970), (1210, 66918), (1254, 64570), (1452, 55765), (1761, 45980), (1815, 44612), (2090, 38742), (2299, 35220), (2348, 34485), (2420, 33459), (2508, 32285), (2935, 27588), (3135, 25828), (3522, 22990), (3630, 22306), (4180, 19371), (4598, 17610), (5870, 13794), (6270, 12914), (6457, 12540), (6897, 11740), (7044, 11495), (7260, 11153), (8805, 9196)]