1978156960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{4153}}^1$

素因数の和:4410

約数の個数: 96

約数和(自身を含む): 5056082640

約数和(自身を除く): 3077925680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 229, 260, 416, 458, 520, 916, 1040, 1145, 1832, 2080, 2290, 2977, 3664, 4153, 4580, 5954, 7328, 8306, 9160, 11908, 14885, 16612, 18320, 20765, 23816, 29770, 33224, 36640, 41530, 47632, 53989, 59540, 66448, 83060, 95264, 107978, 119080, 132896, 166120, 215956, 238160, 269945, 332240, 431912, 476320, 539890, 664480, 863824, 951037, 1079780, 1727648, 1902074, 2159560, 3804148, 4319120, 4755185, 7608296, 8638240, 9510370, 12363481, 15216592, 19020740, 24726962, 30433184, 38041480, 49453924, 61817405, 76082960, 98907848, 123634810, 152165920, 197815696, 247269620, 395631392, 494539240, 989078480, 1978156960]

約数ペア:

[(1, 1978156960), (2, 989078480), (4, 494539240), (5, 395631392), (8, 247269620), (10, 197815696), (13, 152165920), (16, 123634810), (20, 98907848), (26, 76082960), (32, 61817405), (40, 49453924), (52, 38041480), (65, 30433184), (80, 24726962), (104, 19020740), (130, 15216592), (160, 12363481), (208, 9510370), (229, 8638240), (260, 7608296), (416, 4755185), (458, 4319120), (520, 3804148), (916, 2159560), (1040, 1902074), (1145, 1727648), (1832, 1079780), (2080, 951037), (2290, 863824), (2977, 664480), (3664, 539890), (4153, 476320), (4580, 431912), (5954, 332240), (7328, 269945), (8306, 238160), (9160, 215956), (11908, 166120), (14885, 132896), (16612, 119080), (18320, 107978), (20765, 95264), (23816, 83060), (29770, 66448), (33224, 59540), (36640, 53989), (41530, 47632)]