78722320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{773}}^1$

素因数の和:872

約数の個数: 80

約数和(自身を含む): 195791040

約数和(自身を除く): 117068720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 67, 76, 80, 95, 134, 152, 190, 268, 304, 335, 380, 536, 670, 760, 773, 1072, 1273, 1340, 1520, 1546, 2546, 2680, 3092, 3865, 5092, 5360, 6184, 6365, 7730, 10184, 12368, 12730, 14687, 15460, 20368, 25460, 29374, 30920, 50920, 51791, 58748, 61840, 73435, 101840, 103582, 117496, 146870, 207164, 234992, 258955, 293740, 414328, 517910, 587480, 828656, 984029, 1035820, 1174960, 1968058, 2071640, 3936116, 4143280, 4920145, 7872232, 9840290, 15744464, 19680580, 39361160, 78722320]

約数ペア:

[(1, 78722320), (2, 39361160), (4, 19680580), (5, 15744464), (8, 9840290), (10, 7872232), (16, 4920145), (19, 4143280), (20, 3936116), (38, 2071640), (40, 1968058), (67, 1174960), (76, 1035820), (80, 984029), (95, 828656), (134, 587480), (152, 517910), (190, 414328), (268, 293740), (304, 258955), (335, 234992), (380, 207164), (536, 146870), (670, 117496), (760, 103582), (773, 101840), (1072, 73435), (1273, 61840), (1340, 58748), (1520, 51791), (1546, 50920), (2546, 30920), (2680, 29374), (3092, 25460), (3865, 20368), (5092, 15460), (5360, 14687), (6184, 12730), (6365, 12368), (7730, 10184)]