15887940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:461

約数の個数: 96

約数和(自身を含む): 48142080

約数和(自身を除く): 32254140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 29, 30, 46, 58, 60, 69, 87, 92, 115, 116, 138, 145, 174, 230, 276, 290, 345, 348, 397, 435, 460, 580, 667, 690, 794, 870, 1191, 1334, 1380, 1588, 1740, 1985, 2001, 2382, 2668, 3335, 3970, 4002, 4764, 5955, 6670, 7940, 8004, 9131, 10005, 11513, 11910, 13340, 18262, 20010, 23026, 23820, 27393, 34539, 36524, 40020, 45655, 46052, 54786, 57565, 69078, 91310, 109572, 115130, 136965, 138156, 172695, 182620, 230260, 264799, 273930, 345390, 529598, 547860, 690780, 794397, 1059196, 1323995, 1588794, 2647990, 3177588, 3971985, 5295980, 7943970, 15887940]

約数ペア:

[(1, 15887940), (2, 7943970), (3, 5295980), (4, 3971985), (5, 3177588), (6, 2647990), (10, 1588794), (12, 1323995), (15, 1059196), (20, 794397), (23, 690780), (29, 547860), (30, 529598), (46, 345390), (58, 273930), (60, 264799), (69, 230260), (87, 182620), (92, 172695), (115, 138156), (116, 136965), (138, 115130), (145, 109572), (174, 91310), (230, 69078), (276, 57565), (290, 54786), (345, 46052), (348, 45655), (397, 40020), (435, 36524), (460, 34539), (580, 27393), (667, 23820), (690, 23026), (794, 20010), (870, 18262), (1191, 13340), (1334, 11910), (1380, 11513), (1588, 10005), (1740, 9131), (1985, 8004), (2001, 7940), (2382, 6670), (2668, 5955), (3335, 4764), (3970, 4002)]