313084720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7001}}^1$

素因数の和:7070

約数の個数: 80

約数和(自身を含む): 802261152

約数和(自身を除く): 489176432

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1720, 2236, 2795, 3440, 4472, 5590, 7001, 8944, 11180, 14002, 22360, 28004, 35005, 44720, 56008, 70010, 91013, 112016, 140020, 182026, 280040, 301043, 364052, 455065, 560080, 602086, 728104, 910130, 1204172, 1456208, 1505215, 1820260, 2408344, 3010430, 3640520, 3913559, 4816688, 6020860, 7281040, 7827118, 12041720, 15654236, 19567795, 24083440, 31308472, 39135590, 62616944, 78271180, 156542360, 313084720]

約数ペア:

[(1, 313084720), (2, 156542360), (4, 78271180), (5, 62616944), (8, 39135590), (10, 31308472), (13, 24083440), (16, 19567795), (20, 15654236), (26, 12041720), (40, 7827118), (43, 7281040), (52, 6020860), (65, 4816688), (80, 3913559), (86, 3640520), (104, 3010430), (130, 2408344), (172, 1820260), (208, 1505215), (215, 1456208), (260, 1204172), (344, 910130), (430, 728104), (520, 602086), (559, 560080), (688, 455065), (860, 364052), (1040, 301043), (1118, 280040), (1720, 182026), (2236, 140020), (2795, 112016), (3440, 91013), (4472, 70010), (5590, 56008), (7001, 44720), (8944, 35005), (11180, 28004), (14002, 22360)]