156964838320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1\times {\mathrm{51659}}^1$

素因数の和:53690

約数の個数: 80

約数和(自身を含む): 384350400000

約数和(自身を除く): 227385561680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1999, 3998, 7996, 9995, 15992, 19990, 31984, 37981, 39980, 51659, 75962, 79960, 103318, 151924, 159920, 189905, 206636, 258295, 303848, 379810, 413272, 516590, 607696, 759620, 826544, 981521, 1033180, 1519240, 1963042, 2066360, 3038480, 3926084, 4132720, 4907605, 7852168, 9815210, 15704336, 19630420, 39260840, 78521680, 103266341, 206532682, 413065364, 516331705, 826130728, 1032663410, 1652261456, 1962060479, 2065326820, 3924120958, 4130653640, 7848241916, 8261307280, 9810302395, 15696483832, 19620604790, 31392967664, 39241209580, 78482419160, 156964838320]

約数ペア:

[(1, 156964838320), (2, 78482419160), (4, 39241209580), (5, 31392967664), (8, 19620604790), (10, 15696483832), (16, 9810302395), (19, 8261307280), (20, 7848241916), (38, 4130653640), (40, 3924120958), (76, 2065326820), (80, 1962060479), (95, 1652261456), (152, 1032663410), (190, 826130728), (304, 516331705), (380, 413065364), (760, 206532682), (1520, 103266341), (1999, 78521680), (3998, 39260840), (7996, 19630420), (9995, 15704336), (15992, 9815210), (19990, 7852168), (31984, 4907605), (37981, 4132720), (39980, 3926084), (51659, 3038480), (75962, 2066360), (79960, 1963042), (103318, 1519240), (151924, 1033180), (159920, 981521), (189905, 826544), (206636, 759620), (258295, 607696), (303848, 516590), (379810, 413272)]