4680491920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{236867}}^1$

素因数の和:236912

約数の個数: 80

約数和(自身を含む): 12336085440

約数和(自身を除く): 7655593520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 19760, 236867, 473734, 947468, 1184335, 1894936, 2368670, 3079271, 3789872, 4500473, 4737340, 6158542, 9000946, 9474680, 12317084, 15396355, 18001892, 18949360, 22502365, 24634168, 30792710, 36003784, 45004730, 49268336, 58506149, 61585420, 72007568, 90009460, 117012298, 123170840, 180018920, 234024596, 246341680, 292530745, 360037840, 468049192, 585061490, 936098384, 1170122980, 2340245960, 4680491920]

約数ペア:

[(1, 4680491920), (2, 2340245960), (4, 1170122980), (5, 936098384), (8, 585061490), (10, 468049192), (13, 360037840), (16, 292530745), (19, 246341680), (20, 234024596), (26, 180018920), (38, 123170840), (40, 117012298), (52, 90009460), (65, 72007568), (76, 61585420), (80, 58506149), (95, 49268336), (104, 45004730), (130, 36003784), (152, 30792710), (190, 24634168), (208, 22502365), (247, 18949360), (260, 18001892), (304, 15396355), (380, 12317084), (494, 9474680), (520, 9000946), (760, 6158542), (988, 4737340), (1040, 4500473), (1235, 3789872), (1520, 3079271), (1976, 2368670), (2470, 1894936), (3952, 1184335), (4940, 947468), (9880, 473734), (19760, 236867)]