72628020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:422

約数の個数: 144

約数和(自身を含む): 234928512

約数和(自身を除く): 162300492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 53, 60, 69, 90, 92, 106, 115, 138, 159, 180, 207, 212, 230, 265, 276, 318, 331, 345, 414, 460, 477, 530, 636, 662, 690, 795, 828, 954, 993, 1035, 1060, 1219, 1324, 1380, 1590, 1655, 1908, 1986, 2070, 2385, 2438, 2979, 3180, 3310, 3657, 3972, 4140, 4770, 4876, 4965, 5958, 6095, 6620, 7314, 7613, 9540, 9930, 10971, 11916, 12190, 14628, 14895, 15226, 17543, 18285, 19860, 21942, 22839, 24380, 29790, 30452, 35086, 36570, 38065, 43884, 45678, 52629, 54855, 59580, 68517, 70172, 73140, 76130, 87715, 91356, 105258, 109710, 114195, 137034, 152260, 157887, 175430, 210516, 219420, 228390, 263145, 274068, 315774, 342585, 350860, 403489, 456780, 526290, 631548, 685170, 789435, 806978, 1052580, 1210467, 1370340, 1578870, 1613956, 2017445, 2420934, 3157740, 3631401, 4034890, 4841868, 6052335, 7262802, 8069780, 12104670, 14525604, 18157005, 24209340, 36314010, 72628020]

約数ペア:

[(1, 72628020), (2, 36314010), (3, 24209340), (4, 18157005), (5, 14525604), (6, 12104670), (9, 8069780), (10, 7262802), (12, 6052335), (15, 4841868), (18, 4034890), (20, 3631401), (23, 3157740), (30, 2420934), (36, 2017445), (45, 1613956), (46, 1578870), (53, 1370340), (60, 1210467), (69, 1052580), (90, 806978), (92, 789435), (106, 685170), (115, 631548), (138, 526290), (159, 456780), (180, 403489), (207, 350860), (212, 342585), (230, 315774), (265, 274068), (276, 263145), (318, 228390), (331, 219420), (345, 210516), (414, 175430), (460, 157887), (477, 152260), (530, 137034), (636, 114195), (662, 109710), (690, 105258), (795, 91356), (828, 87715), (954, 76130), (993, 73140), (1035, 70172), (1060, 68517), (1219, 59580), (1324, 54855), (1380, 52629), (1590, 45678), (1655, 43884), (1908, 38065), (1986, 36570), (2070, 35086), (2385, 30452), (2438, 29790), (2979, 24380), (3180, 22839), (3310, 21942), (3657, 19860), (3972, 18285), (4140, 17543), (4770, 15226), (4876, 14895), (4965, 14628), (5958, 12190), (6095, 11916), (6620, 10971), (7314, 9930), (7613, 9540)]