1378855760

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1\times {\mathrm{739}}^1$

素因数の和:1116

約数の個数: 80

約数和(自身を含む): 3260416320

約数和(自身を除く): 1881560560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 281, 332, 415, 562, 664, 739, 830, 1124, 1328, 1405, 1478, 1660, 2248, 2810, 2956, 3320, 3695, 4496, 5620, 5912, 6640, 7390, 11240, 11824, 14780, 22480, 23323, 29560, 46646, 59120, 61337, 93292, 116615, 122674, 186584, 207659, 233230, 245348, 306685, 373168, 415318, 466460, 490696, 613370, 830636, 932920, 981392, 1038295, 1226740, 1661272, 1865840, 2076590, 2453480, 3322544, 4153180, 4906960, 8306360, 16612720, 17235697, 34471394, 68942788, 86178485, 137885576, 172356970, 275771152, 344713940, 689427880, 1378855760]

約数ペア:

[(1, 1378855760), (2, 689427880), (4, 344713940), (5, 275771152), (8, 172356970), (10, 137885576), (16, 86178485), (20, 68942788), (40, 34471394), (80, 17235697), (83, 16612720), (166, 8306360), (281, 4906960), (332, 4153180), (415, 3322544), (562, 2453480), (664, 2076590), (739, 1865840), (830, 1661272), (1124, 1226740), (1328, 1038295), (1405, 981392), (1478, 932920), (1660, 830636), (2248, 613370), (2810, 490696), (2956, 466460), (3320, 415318), (3695, 373168), (4496, 306685), (5620, 245348), (5912, 233230), (6640, 207659), (7390, 186584), (11240, 122674), (11824, 116615), (14780, 93292), (22480, 61337), (23323, 59120), (29560, 46646)]