64490040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{283}}^1$

素因数の和:514

約数の個数: 128

約数和(自身を含む): 216748800

約数和(自身を除く): 152258760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 211, 216, 270, 283, 360, 422, 540, 566, 633, 844, 849, 1055, 1080, 1132, 1266, 1415, 1688, 1698, 1899, 2110, 2264, 2532, 2547, 2830, 3165, 3396, 3798, 4220, 4245, 5064, 5094, 5660, 5697, 6330, 6792, 7596, 7641, 8440, 8490, 9495, 10188, 11320, 11394, 12660, 12735, 15192, 15282, 16980, 18990, 20376, 22788, 25320, 25470, 28485, 30564, 33960, 37980, 38205, 45576, 50940, 56970, 59713, 61128, 75960, 76410, 101880, 113940, 119426, 152820, 179139, 227880, 238852, 298565, 305640, 358278, 477704, 537417, 597130, 716556, 895695, 1074834, 1194260, 1433112, 1612251, 1791390, 2149668, 2388520, 2687085, 3224502, 3582780, 4299336, 5374170, 6449004, 7165560, 8061255, 10748340, 12898008, 16122510, 21496680, 32245020, 64490040]

約数ペア:

[(1, 64490040), (2, 32245020), (3, 21496680), (4, 16122510), (5, 12898008), (6, 10748340), (8, 8061255), (9, 7165560), (10, 6449004), (12, 5374170), (15, 4299336), (18, 3582780), (20, 3224502), (24, 2687085), (27, 2388520), (30, 2149668), (36, 1791390), (40, 1612251), (45, 1433112), (54, 1194260), (60, 1074834), (72, 895695), (90, 716556), (108, 597130), (120, 537417), (135, 477704), (180, 358278), (211, 305640), (216, 298565), (270, 238852), (283, 227880), (360, 179139), (422, 152820), (540, 119426), (566, 113940), (633, 101880), (844, 76410), (849, 75960), (1055, 61128), (1080, 59713), (1132, 56970), (1266, 50940), (1415, 45576), (1688, 38205), (1698, 37980), (1899, 33960), (2110, 30564), (2264, 28485), (2532, 25470), (2547, 25320), (2830, 22788), (3165, 20376), (3396, 18990), (3798, 16980), (4220, 15282), (4245, 15192), (5064, 12735), (5094, 12660), (5660, 11394), (5697, 11320), (6330, 10188), (6792, 9495), (7596, 8490), (7641, 8440)]