1387421040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{304259}}^1$

素因数の和:304294

約数の個数: 80

約数和(自身を含む): 4527388800

約数和(自身を除く): 3139967760

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, 304259, 608518, 912777, 1217036, 1521295, 1825554, 2434072, 3042590, 3651108, 4563885, 4868144, 5780921, 6085180, 7302216, 9127770, 11561842, 12170360, 14604432, 17342763, 18255540, 23123684, 24340720, 28904605, 34685526, 36511080, 46247368, 57809210, 69371052, 73022160, 86713815, 92494736, 115618420, 138742104, 173427630, 231236840, 277484208, 346855260, 462473680, 693710520, 1387421040]

約数ペア:

[(1, 1387421040), (2, 693710520), (3, 462473680), (4, 346855260), (5, 277484208), (6, 231236840), (8, 173427630), (10, 138742104), (12, 115618420), (15, 92494736), (16, 86713815), (19, 73022160), (20, 69371052), (24, 57809210), (30, 46247368), (38, 36511080), (40, 34685526), (48, 28904605), (57, 24340720), (60, 23123684), (76, 18255540), (80, 17342763), (95, 14604432), (114, 12170360), (120, 11561842), (152, 9127770), (190, 7302216), (228, 6085180), (240, 5780921), (285, 4868144), (304, 4563885), (380, 3651108), (456, 3042590), (570, 2434072), (760, 1825554), (912, 1521295), (1140, 1217036), (1520, 912777), (2280, 608518), (4560, 304259)]