218538840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4519}}^1$

素因数の和:4577

約数の個数: 128

約数和(自身を含む): 728985600

約数和(自身を除く): 510446760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4519, 4836, 6045, 8060, 9038, 9672, 12090, 13557, 16120, 18076, 22595, 24180, 27114, 36152, 45190, 48360, 54228, 58747, 67785, 90380, 108456, 117494, 135570, 140089, 176241, 180760, 234988, 271140, 280178, 293735, 352482, 420267, 469976, 542280, 560356, 587470, 700445, 704964, 840534, 881205, 1120712, 1174940, 1400890, 1409928, 1681068, 1762410, 1821157, 2101335, 2349880, 2801780, 3362136, 3524820, 3642314, 4202670, 5463471, 5603560, 7049640, 7284628, 8405340, 9105785, 10926942, 14569256, 16810680, 18211570, 21853884, 27317355, 36423140, 43707768, 54634710, 72846280, 109269420, 218538840]

約数ペア:

[(1, 218538840), (2, 109269420), (3, 72846280), (4, 54634710), (5, 43707768), (6, 36423140), (8, 27317355), (10, 21853884), (12, 18211570), (13, 16810680), (15, 14569256), (20, 10926942), (24, 9105785), (26, 8405340), (30, 7284628), (31, 7049640), (39, 5603560), (40, 5463471), (52, 4202670), (60, 3642314), (62, 3524820), (65, 3362136), (78, 2801780), (93, 2349880), (104, 2101335), (120, 1821157), (124, 1762410), (130, 1681068), (155, 1409928), (156, 1400890), (186, 1174940), (195, 1120712), (248, 881205), (260, 840534), (310, 704964), (312, 700445), (372, 587470), (390, 560356), (403, 542280), (465, 469976), (520, 420267), (620, 352482), (744, 293735), (780, 280178), (806, 271140), (930, 234988), (1209, 180760), (1240, 176241), (1560, 140089), (1612, 135570), (1860, 117494), (2015, 108456), (2418, 90380), (3224, 67785), (3720, 58747), (4030, 54228), (4519, 48360), (4836, 45190), (6045, 36152), (8060, 27114), (9038, 24180), (9672, 22595), (12090, 18076), (13557, 16120)]