1254654320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{5009}}^1$

素因数の和:5154

約数の個数: 80

約数和(自身を含む): 3041591040

約数和(自身を除く): 1786936720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 101, 124, 155, 202, 248, 310, 404, 496, 505, 620, 808, 1010, 1240, 1616, 2020, 2480, 3131, 4040, 5009, 6262, 8080, 10018, 12524, 15655, 20036, 25045, 25048, 31310, 40072, 50090, 50096, 62620, 80144, 100180, 125240, 155279, 200360, 250480, 310558, 400720, 505909, 621116, 776395, 1011818, 1242232, 1552790, 2023636, 2484464, 2529545, 3105580, 4047272, 5059090, 6211160, 8094544, 10118180, 12422320, 15683179, 20236360, 31366358, 40472720, 62732716, 78415895, 125465432, 156831790, 250930864, 313663580, 627327160, 1254654320]

約数ペア:

[(1, 1254654320), (2, 627327160), (4, 313663580), (5, 250930864), (8, 156831790), (10, 125465432), (16, 78415895), (20, 62732716), (31, 40472720), (40, 31366358), (62, 20236360), (80, 15683179), (101, 12422320), (124, 10118180), (155, 8094544), (202, 6211160), (248, 5059090), (310, 4047272), (404, 3105580), (496, 2529545), (505, 2484464), (620, 2023636), (808, 1552790), (1010, 1242232), (1240, 1011818), (1616, 776395), (2020, 621116), (2480, 505909), (3131, 400720), (4040, 310558), (5009, 250480), (6262, 200360), (8080, 155279), (10018, 125240), (12524, 100180), (15655, 80144), (20036, 62620), (25045, 50096), (25048, 50090), (31310, 40072)]