61918020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1033}}^1$

素因数の和:1091

約数の個数: 120

約数和(自身を含む): 199681944

約数和(自身を除く): 137763924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 90, 108, 111, 135, 148, 162, 180, 185, 222, 270, 324, 333, 370, 405, 444, 540, 555, 666, 740, 810, 999, 1033, 1110, 1332, 1620, 1665, 1998, 2066, 2220, 2997, 3099, 3330, 3996, 4132, 4995, 5165, 5994, 6198, 6660, 9297, 9990, 10330, 11988, 12396, 14985, 15495, 18594, 19980, 20660, 27891, 29970, 30990, 37188, 38221, 46485, 55782, 59940, 61980, 76442, 83673, 92970, 111564, 114663, 139455, 152884, 167346, 185940, 191105, 229326, 278910, 334692, 343989, 382210, 418365, 458652, 557820, 573315, 687978, 764420, 836730, 1031967, 1146630, 1375956, 1673460, 1719945, 2063934, 2293260, 3095901, 3439890, 4127868, 5159835, 6191802, 6879780, 10319670, 12383604, 15479505, 20639340, 30959010, 61918020]

約数ペア:

[(1, 61918020), (2, 30959010), (3, 20639340), (4, 15479505), (5, 12383604), (6, 10319670), (9, 6879780), (10, 6191802), (12, 5159835), (15, 4127868), (18, 3439890), (20, 3095901), (27, 2293260), (30, 2063934), (36, 1719945), (37, 1673460), (45, 1375956), (54, 1146630), (60, 1031967), (74, 836730), (81, 764420), (90, 687978), (108, 573315), (111, 557820), (135, 458652), (148, 418365), (162, 382210), (180, 343989), (185, 334692), (222, 278910), (270, 229326), (324, 191105), (333, 185940), (370, 167346), (405, 152884), (444, 139455), (540, 114663), (555, 111564), (666, 92970), (740, 83673), (810, 76442), (999, 61980), (1033, 59940), (1110, 55782), (1332, 46485), (1620, 38221), (1665, 37188), (1998, 30990), (2066, 29970), (2220, 27891), (2997, 20660), (3099, 19980), (3330, 18594), (3996, 15495), (4132, 14985), (4995, 12396), (5165, 11988), (5994, 10330), (6198, 9990), (6660, 9297)]