1638403440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{359299}}^1$

素因数の和:359334

約数の個数: 80

約数和(自身を含む): 5346384000

約数和(自身を除く): 3707980560

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, 359299, 718598, 1077897, 1437196, 1796495, 2155794, 2874392, 3592990, 4311588, 5389485, 5748784, 6826681, 7185980, 8623176, 10778970, 13653362, 14371960, 17246352, 20480043, 21557940, 27306724, 28743920, 34133405, 40960086, 43115880, 54613448, 68266810, 81920172, 86231760, 102400215, 109226896, 136533620, 163840344, 204800430, 273067240, 327680688, 409600860, 546134480, 819201720, 1638403440]

約数ペア:

[(1, 1638403440), (2, 819201720), (3, 546134480), (4, 409600860), (5, 327680688), (6, 273067240), (8, 204800430), (10, 163840344), (12, 136533620), (15, 109226896), (16, 102400215), (19, 86231760), (20, 81920172), (24, 68266810), (30, 54613448), (38, 43115880), (40, 40960086), (48, 34133405), (57, 28743920), (60, 27306724), (76, 21557940), (80, 20480043), (95, 17246352), (114, 14371960), (120, 13653362), (152, 10778970), (190, 8623176), (228, 7185980), (240, 6826681), (285, 5748784), (304, 5389485), (380, 4311588), (456, 3592990), (570, 2874392), (760, 2155794), (912, 1796495), (1140, 1437196), (1520, 1077897), (2280, 718598), (4560, 359299)]