181857780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:191

約数の個数: 288

約数和(自身を含む): 645765120

約数和(自身を除く): 463907340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 31, 36, 39, 45, 46, 52, 60, 62, 65, 69, 78, 90, 92, 93, 109, 115, 117, 124, 130, 138, 155, 156, 180, 186, 195, 207, 218, 230, 234, 260, 276, 279, 299, 310, 327, 345, 372, 390, 403, 414, 436, 460, 465, 468, 545, 558, 585, 598, 620, 654, 690, 713, 780, 806, 828, 897, 930, 981, 1035, 1090, 1116, 1170, 1196, 1209, 1308, 1380, 1395, 1417, 1426, 1495, 1612, 1635, 1794, 1860, 1962, 2015, 2070, 2139, 2180, 2340, 2418, 2507, 2691, 2790, 2834, 2852, 2990, 3270, 3379, 3565, 3588, 3627, 3924, 4030, 4140, 4251, 4278, 4485, 4836, 4905, 5014, 5382, 5580, 5668, 5980, 6045, 6417, 6540, 6758, 7085, 7130, 7254, 7521, 8060, 8502, 8556, 8970, 9269, 9810, 10028, 10137, 10695, 10764, 12090, 12535, 12753, 12834, 13455, 13516, 14170, 14260, 14508, 15042, 16895, 17004, 17940, 18135, 18538, 19620, 20274, 21255, 21390, 22563, 24180, 25070, 25506, 25668, 26910, 27807, 28340, 30084, 30411, 32085, 32591, 33790, 36270, 37076, 37605, 40548, 42510, 42780, 43927, 45126, 46345, 50140, 50685, 51012, 53820, 55614, 60822, 63765, 64170, 65182, 67580, 72540, 75210, 77717, 83421, 85020, 87854, 90252, 92690, 97773, 101370, 111228, 112815, 121644, 127530, 128340, 130364, 131781, 139035, 150420, 152055, 155434, 162955, 166842, 175708, 185380, 195546, 202740, 219635, 225630, 233151, 255060, 263562, 278070, 293319, 304110, 310868, 325910, 333684, 388585, 391092, 395343, 417105, 439270, 451260, 466302, 488865, 527124, 556140, 586638, 608220, 651820, 658905, 699453, 777170, 790686, 834210, 878540, 932604, 977730, 1010321, 1165755, 1173276, 1317810, 1398906, 1466595, 1554340, 1581372, 1668420, 1955460, 1976715, 2020642, 2331510, 2635620, 2797812, 2933190, 3030963, 3497265, 3953430, 4041284, 4663020, 5051605, 5866380, 6061926, 6994530, 7906860, 9092889, 10103210, 12123852, 13989060, 15154815, 18185778, 20206420, 30309630, 36371556, 45464445, 60619260, 90928890, 181857780]

約数ペア:

[(1, 181857780), (2, 90928890), (3, 60619260), (4, 45464445), (5, 36371556), (6, 30309630), (9, 20206420), (10, 18185778), (12, 15154815), (13, 13989060), (15, 12123852), (18, 10103210), (20, 9092889), (23, 7906860), (26, 6994530), (30, 6061926), (31, 5866380), (36, 5051605), (39, 4663020), (45, 4041284), (46, 3953430), (52, 3497265), (60, 3030963), (62, 2933190), (65, 2797812), (69, 2635620), (78, 2331510), (90, 2020642), (92, 1976715), (93, 1955460), (109, 1668420), (115, 1581372), (117, 1554340), (124, 1466595), (130, 1398906), (138, 1317810), (155, 1173276), (156, 1165755), (180, 1010321), (186, 977730), (195, 932604), (207, 878540), (218, 834210), (230, 790686), (234, 777170), (260, 699453), (276, 658905), (279, 651820), (299, 608220), (310, 586638), (327, 556140), (345, 527124), (372, 488865), (390, 466302), (403, 451260), (414, 439270), (436, 417105), (460, 395343), (465, 391092), (468, 388585), (545, 333684), (558, 325910), (585, 310868), (598, 304110), (620, 293319), (654, 278070), (690, 263562), (713, 255060), (780, 233151), (806, 225630), (828, 219635), (897, 202740), (930, 195546), (981, 185380), (1035, 175708), (1090, 166842), (1116, 162955), (1170, 155434), (1196, 152055), (1209, 150420), (1308, 139035), (1380, 131781), (1395, 130364), (1417, 128340), (1426, 127530), (1495, 121644), (1612, 112815), (1635, 111228), (1794, 101370), (1860, 97773), (1962, 92690), (2015, 90252), (2070, 87854), (2139, 85020), (2180, 83421), (2340, 77717), (2418, 75210), (2507, 72540), (2691, 67580), (2790, 65182), (2834, 64170), (2852, 63765), (2990, 60822), (3270, 55614), (3379, 53820), (3565, 51012), (3588, 50685), (3627, 50140), (3924, 46345), (4030, 45126), (4140, 43927), (4251, 42780), (4278, 42510), (4485, 40548), (4836, 37605), (4905, 37076), (5014, 36270), (5382, 33790), (5580, 32591), (5668, 32085), (5980, 30411), (6045, 30084), (6417, 28340), (6540, 27807), (6758, 26910), (7085, 25668), (7130, 25506), (7254, 25070), (7521, 24180), (8060, 22563), (8502, 21390), (8556, 21255), (8970, 20274), (9269, 19620), (9810, 18538), (10028, 18135), (10137, 17940), (10695, 17004), (10764, 16895), (12090, 15042), (12535, 14508), (12753, 14260), (12834, 14170), (13455, 13516)]