304845320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{18911}}^1$

素因数の和:18966

約数の個数: 64

約数和(自身を含む): 762531840

約数和(自身を除く): 457686520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 18911, 37822, 75644, 94555, 151288, 189110, 245843, 378220, 491686, 586241, 756440, 983372, 1172482, 1229215, 1966744, 2344964, 2458430, 2931205, 4689928, 4916860, 5862410, 7621133, 9833720, 11724820, 15242266, 23449640, 30484532, 38105665, 60969064, 76211330, 152422660, 304845320]

約数ペア:

[(1, 304845320), (2, 152422660), (4, 76211330), (5, 60969064), (8, 38105665), (10, 30484532), (13, 23449640), (20, 15242266), (26, 11724820), (31, 9833720), (40, 7621133), (52, 5862410), (62, 4916860), (65, 4689928), (104, 2931205), (124, 2458430), (130, 2344964), (155, 1966744), (248, 1229215), (260, 1172482), (310, 983372), (403, 756440), (520, 586241), (620, 491686), (806, 378220), (1240, 245843), (1612, 189110), (2015, 151288), (3224, 94555), (4030, 75644), (8060, 37822), (16120, 18911)]