71367920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:610

約数の個数: 80

約数和(自身を含む): 180217632

約数和(自身を除く): 108849712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 163, 208, 260, 326, 421, 520, 652, 815, 842, 1040, 1304, 1630, 1684, 2105, 2119, 2608, 3260, 3368, 4210, 4238, 5473, 6520, 6736, 8420, 8476, 10595, 10946, 13040, 16840, 16952, 21190, 21892, 27365, 33680, 33904, 42380, 43784, 54730, 68623, 84760, 87568, 109460, 137246, 169520, 218920, 274492, 343115, 437840, 548984, 686230, 892099, 1097968, 1372460, 1784198, 2744920, 3568396, 4460495, 5489840, 7136792, 8920990, 14273584, 17841980, 35683960, 71367920]

約数ペア:

[(1, 71367920), (2, 35683960), (4, 17841980), (5, 14273584), (8, 8920990), (10, 7136792), (13, 5489840), (16, 4460495), (20, 3568396), (26, 2744920), (40, 1784198), (52, 1372460), (65, 1097968), (80, 892099), (104, 686230), (130, 548984), (163, 437840), (208, 343115), (260, 274492), (326, 218920), (421, 169520), (520, 137246), (652, 109460), (815, 87568), (842, 84760), (1040, 68623), (1304, 54730), (1630, 43784), (1684, 42380), (2105, 33904), (2119, 33680), (2608, 27365), (3260, 21892), (3368, 21190), (4210, 16952), (4238, 16840), (5473, 13040), (6520, 10946), (6736, 10595), (8420, 8476)]