15721235730

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{48889}}^1$

素因数の和:49305

約数の個数: 80

約数和(自身を含む): 42380003160

約数和(自身を除く): 26658767430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 397, 405, 794, 810, 1191, 1985, 2382, 3573, 3970, 5955, 7146, 10719, 11910, 17865, 21438, 32157, 35730, 48889, 53595, 64314, 97778, 107190, 146667, 160785, 244445, 293334, 321570, 440001, 488890, 733335, 880002, 1320003, 1466670, 2200005, 2640006, 3960009, 4400010, 6600015, 7920018, 13200030, 19408933, 19800045, 38817866, 39600090, 58226799, 97044665, 116453598, 174680397, 194089330, 291133995, 349360794, 524041191, 582267990, 873401985, 1048082382, 1572123573, 1746803970, 2620205955, 3144247146, 5240411910, 7860617865, 15721235730]

約数ペア:

[(1, 15721235730), (2, 7860617865), (3, 5240411910), (5, 3144247146), (6, 2620205955), (9, 1746803970), (10, 1572123573), (15, 1048082382), (18, 873401985), (27, 582267990), (30, 524041191), (45, 349360794), (54, 291133995), (81, 194089330), (90, 174680397), (135, 116453598), (162, 97044665), (270, 58226799), (397, 39600090), (405, 38817866), (794, 19800045), (810, 19408933), (1191, 13200030), (1985, 7920018), (2382, 6600015), (3573, 4400010), (3970, 3960009), (5955, 2640006), (7146, 2200005), (10719, 1466670), (11910, 1320003), (17865, 880002), (21438, 733335), (32157, 488890), (35730, 440001), (48889, 321570), (53595, 293334), (64314, 244445), (97778, 160785), (107190, 146667)]