156916179440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{181297}}^1$

素因数の和:181690

約数の個数: 80

約数和(自身を含む): 377679993600

約数和(自身を除く): 220763814160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 349, 496, 620, 698, 1240, 1396, 1745, 2480, 2792, 3490, 5584, 6980, 10819, 13960, 21638, 27920, 43276, 54095, 86552, 108190, 173104, 181297, 216380, 362594, 432760, 725188, 865520, 906485, 1450376, 1812970, 2900752, 3625940, 5620207, 7251880, 11240414, 14503760, 22480828, 28101035, 44961656, 56202070, 63272653, 89923312, 112404140, 126545306, 224808280, 253090612, 316363265, 449616560, 506181224, 632726530, 1012362448, 1265453060, 1961452243, 2530906120, 3922904486, 5061812240, 7845808972, 9807261215, 15691617944, 19614522430, 31383235888, 39229044860, 78458089720, 156916179440]

約数ペア:

[(1, 156916179440), (2, 78458089720), (4, 39229044860), (5, 31383235888), (8, 19614522430), (10, 15691617944), (16, 9807261215), (20, 7845808972), (31, 5061812240), (40, 3922904486), (62, 2530906120), (80, 1961452243), (124, 1265453060), (155, 1012362448), (248, 632726530), (310, 506181224), (349, 449616560), (496, 316363265), (620, 253090612), (698, 224808280), (1240, 126545306), (1396, 112404140), (1745, 89923312), (2480, 63272653), (2792, 56202070), (3490, 44961656), (5584, 28101035), (6980, 22480828), (10819, 14503760), (13960, 11240414), (21638, 7251880), (27920, 5620207), (43276, 3625940), (54095, 2900752), (86552, 1812970), (108190, 1450376), (173104, 906485), (181297, 865520), (216380, 725188), (362594, 432760)]