454564720

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{419}}^1$

素因数の和:694

約数の個数: 80

約数和(自身を含む): 1079930880

約数和(自身を除く): 625366160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 191, 284, 355, 382, 419, 568, 710, 764, 838, 955, 1136, 1420, 1528, 1676, 1910, 2095, 2840, 3056, 3352, 3820, 4190, 5680, 6704, 7640, 8380, 13561, 15280, 16760, 27122, 29749, 33520, 54244, 59498, 67805, 80029, 108488, 118996, 135610, 148745, 160058, 216976, 237992, 271220, 297490, 320116, 400145, 475984, 542440, 594980, 640232, 800290, 1084880, 1189960, 1280464, 1600580, 2379920, 3201160, 5682059, 6402320, 11364118, 22728236, 28410295, 45456472, 56820590, 90912944, 113641180, 227282360, 454564720]

約数ペア:

[(1, 454564720), (2, 227282360), (4, 113641180), (5, 90912944), (8, 56820590), (10, 45456472), (16, 28410295), (20, 22728236), (40, 11364118), (71, 6402320), (80, 5682059), (142, 3201160), (191, 2379920), (284, 1600580), (355, 1280464), (382, 1189960), (419, 1084880), (568, 800290), (710, 640232), (764, 594980), (838, 542440), (955, 475984), (1136, 400145), (1420, 320116), (1528, 297490), (1676, 271220), (1910, 237992), (2095, 216976), (2840, 160058), (3056, 148745), (3352, 135610), (3820, 118996), (4190, 108488), (5680, 80029), (6704, 67805), (7640, 59498), (8380, 54244), (13561, 33520), (15280, 29749), (16760, 27122)]