1238770920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{739}}^1$

素因数の和:1043

約数の個数: 128

約数和(自身を含む): 3798864000

約数和(自身を除く): 2560093080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 229, 244, 305, 366, 458, 488, 610, 687, 732, 739, 915, 916, 1145, 1220, 1374, 1464, 1478, 1830, 1832, 2217, 2290, 2440, 2748, 2956, 3435, 3660, 3695, 4434, 4580, 5496, 5912, 6870, 7320, 7390, 8868, 9160, 11085, 13740, 13969, 14780, 17736, 22170, 27480, 27938, 29560, 41907, 44340, 45079, 55876, 69845, 83814, 88680, 90158, 111752, 135237, 139690, 167628, 169231, 180316, 209535, 225395, 270474, 279380, 335256, 338462, 360632, 419070, 450790, 507693, 540948, 558760, 676185, 676924, 838140, 846155, 901580, 1015386, 1081896, 1352370, 1353848, 1676280, 1692310, 1803160, 2030772, 2538465, 2704740, 3384620, 4061544, 5076930, 5409480, 6769240, 10153860, 10323091, 20307720, 20646182, 30969273, 41292364, 51615455, 61938546, 82584728, 103230910, 123877092, 154846365, 206461820, 247754184, 309692730, 412923640, 619385460, 1238770920]

約数ペア:

[(1, 1238770920), (2, 619385460), (3, 412923640), (4, 309692730), (5, 247754184), (6, 206461820), (8, 154846365), (10, 123877092), (12, 103230910), (15, 82584728), (20, 61938546), (24, 51615455), (30, 41292364), (40, 30969273), (60, 20646182), (61, 20307720), (120, 10323091), (122, 10153860), (183, 6769240), (229, 5409480), (244, 5076930), (305, 4061544), (366, 3384620), (458, 2704740), (488, 2538465), (610, 2030772), (687, 1803160), (732, 1692310), (739, 1676280), (915, 1353848), (916, 1352370), (1145, 1081896), (1220, 1015386), (1374, 901580), (1464, 846155), (1478, 838140), (1830, 676924), (1832, 676185), (2217, 558760), (2290, 540948), (2440, 507693), (2748, 450790), (2956, 419070), (3435, 360632), (3660, 338462), (3695, 335256), (4434, 279380), (4580, 270474), (5496, 225395), (5912, 209535), (6870, 180316), (7320, 169231), (7390, 167628), (8868, 139690), (9160, 135237), (11085, 111752), (13740, 90158), (13969, 88680), (14780, 83814), (17736, 69845), (22170, 55876), (27480, 45079), (27938, 44340), (29560, 41907)]