128505360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28181}}^1$

素因数の和:28216

約数の個数: 80

約数和(自身を含む): 419348160

約数和(自身を除く): 290842800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 28181, 56362, 84543, 112724, 140905, 169086, 225448, 281810, 338172, 422715, 450896, 535439, 563620, 676344, 845430, 1070878, 1127240, 1352688, 1606317, 1690860, 2141756, 2254480, 2677195, 3212634, 3381720, 4283512, 5354390, 6425268, 6763440, 8031585, 8567024, 10708780, 12850536, 16063170, 21417560, 25701072, 32126340, 42835120, 64252680, 128505360]

約数ペア:

[(1, 128505360), (2, 64252680), (3, 42835120), (4, 32126340), (5, 25701072), (6, 21417560), (8, 16063170), (10, 12850536), (12, 10708780), (15, 8567024), (16, 8031585), (19, 6763440), (20, 6425268), (24, 5354390), (30, 4283512), (38, 3381720), (40, 3212634), (48, 2677195), (57, 2254480), (60, 2141756), (76, 1690860), (80, 1606317), (95, 1352688), (114, 1127240), (120, 1070878), (152, 845430), (190, 676344), (228, 563620), (240, 535439), (285, 450896), (304, 422715), (380, 338172), (456, 281810), (570, 225448), (760, 169086), (912, 140905), (1140, 112724), (1520, 84543), (2280, 56362), (4560, 28181)]