54419940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 172972800

約数和(自身を除く): 118552860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 79, 86, 89, 90, 129, 158, 172, 178, 180, 215, 237, 258, 267, 316, 356, 387, 395, 430, 445, 474, 516, 534, 645, 711, 774, 790, 801, 860, 890, 948, 1068, 1185, 1290, 1335, 1422, 1548, 1580, 1602, 1780, 1935, 2370, 2580, 2670, 2844, 3204, 3397, 3555, 3827, 3870, 4005, 4740, 5340, 6794, 7031, 7110, 7654, 7740, 8010, 10191, 11481, 13588, 14062, 14220, 15308, 16020, 16985, 19135, 20382, 21093, 22962, 28124, 30573, 33970, 34443, 35155, 38270, 40764, 42186, 45924, 50955, 57405, 61146, 63279, 67940, 68886, 70310, 76540, 84372, 101910, 105465, 114810, 122292, 126558, 137772, 140620, 152865, 172215, 203820, 210930, 229620, 253116, 302333, 305730, 316395, 344430, 421860, 604666, 611460, 632790, 688860, 906999, 1209332, 1265580, 1511665, 1813998, 2720997, 3023330, 3627996, 4534995, 5441994, 6046660, 9069990, 10883988, 13604985, 18139980, 27209970, 54419940]

約数ペア:

[(1, 54419940), (2, 27209970), (3, 18139980), (4, 13604985), (5, 10883988), (6, 9069990), (9, 6046660), (10, 5441994), (12, 4534995), (15, 3627996), (18, 3023330), (20, 2720997), (30, 1813998), (36, 1511665), (43, 1265580), (45, 1209332), (60, 906999), (79, 688860), (86, 632790), (89, 611460), (90, 604666), (129, 421860), (158, 344430), (172, 316395), (178, 305730), (180, 302333), (215, 253116), (237, 229620), (258, 210930), (267, 203820), (316, 172215), (356, 152865), (387, 140620), (395, 137772), (430, 126558), (445, 122292), (474, 114810), (516, 105465), (534, 101910), (645, 84372), (711, 76540), (774, 70310), (790, 68886), (801, 67940), (860, 63279), (890, 61146), (948, 57405), (1068, 50955), (1185, 45924), (1290, 42186), (1335, 40764), (1422, 38270), (1548, 35155), (1580, 34443), (1602, 33970), (1780, 30573), (1935, 28124), (2370, 22962), (2580, 21093), (2670, 20382), (2844, 19135), (3204, 16985), (3397, 16020), (3555, 15308), (3827, 14220), (3870, 14062), (4005, 13588), (4740, 11481), (5340, 10191), (6794, 8010), (7031, 7740), (7110, 7654)]