1978135560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{3761}}^1$

素因数の和:4268

約数の個数: 128

約数和(自身を含む): 6609081600

約数和(自身を除く): 4630946040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 487, 540, 974, 1080, 1461, 1948, 2435, 2922, 3761, 3896, 4383, 4870, 5844, 7305, 7522, 8766, 9740, 11283, 11688, 13149, 14610, 15044, 17532, 18805, 19480, 21915, 22566, 26298, 29220, 30088, 33849, 35064, 37610, 43830, 45132, 52596, 56415, 58440, 65745, 67698, 75220, 87660, 90264, 101547, 105192, 112830, 131490, 135396, 150440, 169245, 175320, 203094, 225660, 262980, 270792, 338490, 406188, 451320, 507735, 525960, 676980, 812376, 1015470, 1353960, 1831607, 2030940, 3663214, 4061880, 5494821, 7326428, 9158035, 10989642, 14652856, 16484463, 18316070, 21979284, 27474105, 32968926, 36632140, 43958568, 49453389, 54948210, 65937852, 73264280, 82422315, 98906778, 109896420, 131875704, 164844630, 197813556, 219792840, 247266945, 329689260, 395627112, 494533890, 659378520, 989067780, 1978135560]

約数ペア:

[(1, 1978135560), (2, 989067780), (3, 659378520), (4, 494533890), (5, 395627112), (6, 329689260), (8, 247266945), (9, 219792840), (10, 197813556), (12, 164844630), (15, 131875704), (18, 109896420), (20, 98906778), (24, 82422315), (27, 73264280), (30, 65937852), (36, 54948210), (40, 49453389), (45, 43958568), (54, 36632140), (60, 32968926), (72, 27474105), (90, 21979284), (108, 18316070), (120, 16484463), (135, 14652856), (180, 10989642), (216, 9158035), (270, 7326428), (360, 5494821), (487, 4061880), (540, 3663214), (974, 2030940), (1080, 1831607), (1461, 1353960), (1948, 1015470), (2435, 812376), (2922, 676980), (3761, 525960), (3896, 507735), (4383, 451320), (4870, 406188), (5844, 338490), (7305, 270792), (7522, 262980), (8766, 225660), (9740, 203094), (11283, 175320), (11688, 169245), (13149, 150440), (14610, 135396), (15044, 131490), (17532, 112830), (18805, 105192), (19480, 101547), (21915, 90264), (22566, 87660), (26298, 75220), (29220, 67698), (30088, 65745), (33849, 58440), (35064, 56415), (37610, 52596), (43830, 45132)]