221238540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3691}}^1$

素因数の和:3749

約数の個数: 120

約数和(自身を含む): 712984272

約数和(自身を除く): 491745732

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, 1110, 1332, 1620, 1665, 1998, 2220, 2997, 3330, 3691, 3996, 4995, 5994, 6660, 7382, 9990, 11073, 11988, 14764, 14985, 18455, 19980, 22146, 29970, 33219, 36910, 44292, 55365, 59940, 66438, 73820, 99657, 110730, 132876, 136567, 166095, 199314, 221460, 273134, 298971, 332190, 398628, 409701, 498285, 546268, 597942, 664380, 682835, 819402, 996570, 1195884, 1229103, 1365670, 1494855, 1638804, 1993140, 2048505, 2458206, 2731340, 2989710, 3687309, 4097010, 4916412, 5979420, 6145515, 7374618, 8194020, 11061927, 12291030, 14749236, 18436545, 22123854, 24582060, 36873090, 44247708, 55309635, 73746180, 110619270, 221238540]

約数ペア:

[(1, 221238540), (2, 110619270), (3, 73746180), (4, 55309635), (5, 44247708), (6, 36873090), (9, 24582060), (10, 22123854), (12, 18436545), (15, 14749236), (18, 12291030), (20, 11061927), (27, 8194020), (30, 7374618), (36, 6145515), (37, 5979420), (45, 4916412), (54, 4097010), (60, 3687309), (74, 2989710), (81, 2731340), (90, 2458206), (108, 2048505), (111, 1993140), (135, 1638804), (148, 1494855), (162, 1365670), (180, 1229103), (185, 1195884), (222, 996570), (270, 819402), (324, 682835), (333, 664380), (370, 597942), (405, 546268), (444, 498285), (540, 409701), (555, 398628), (666, 332190), (740, 298971), (810, 273134), (999, 221460), (1110, 199314), (1332, 166095), (1620, 136567), (1665, 132876), (1998, 110730), (2220, 99657), (2997, 73820), (3330, 66438), (3691, 59940), (3996, 55365), (4995, 44292), (5994, 36910), (6660, 33219), (7382, 29970), (9990, 22146), (11073, 19980), (11988, 18455), (14764, 14985)]