128980080

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{283}}^1$

素因数の和:516

約数の個数: 160

約数和(自身を含む): 447947520

約数和(自身を除く): 318967440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 211, 216, 240, 270, 283, 360, 422, 432, 540, 566, 633, 720, 844, 849, 1055, 1080, 1132, 1266, 1415, 1688, 1698, 1899, 2110, 2160, 2264, 2532, 2547, 2830, 3165, 3376, 3396, 3798, 4220, 4245, 4528, 5064, 5094, 5660, 5697, 6330, 6792, 7596, 7641, 8440, 8490, 9495, 10128, 10188, 11320, 11394, 12660, 12735, 13584, 15192, 15282, 16880, 16980, 18990, 20376, 22640, 22788, 25320, 25470, 28485, 30384, 30564, 33960, 37980, 38205, 40752, 45576, 50640, 50940, 56970, 59713, 61128, 67920, 75960, 76410, 91152, 101880, 113940, 119426, 122256, 151920, 152820, 179139, 203760, 227880, 238852, 298565, 305640, 358278, 455760, 477704, 537417, 597130, 611280, 716556, 895695, 955408, 1074834, 1194260, 1433112, 1612251, 1791390, 2149668, 2388520, 2687085, 2866224, 3224502, 3582780, 4299336, 4777040, 5374170, 6449004, 7165560, 8061255, 8598672, 10748340, 12898008, 14331120, 16122510, 21496680, 25796016, 32245020, 42993360, 64490040, 128980080]

約数ペア:

[(1, 128980080), (2, 64490040), (3, 42993360), (4, 32245020), (5, 25796016), (6, 21496680), (8, 16122510), (9, 14331120), (10, 12898008), (12, 10748340), (15, 8598672), (16, 8061255), (18, 7165560), (20, 6449004), (24, 5374170), (27, 4777040), (30, 4299336), (36, 3582780), (40, 3224502), (45, 2866224), (48, 2687085), (54, 2388520), (60, 2149668), (72, 1791390), (80, 1612251), (90, 1433112), (108, 1194260), (120, 1074834), (135, 955408), (144, 895695), (180, 716556), (211, 611280), (216, 597130), (240, 537417), (270, 477704), (283, 455760), (360, 358278), (422, 305640), (432, 298565), (540, 238852), (566, 227880), (633, 203760), (720, 179139), (844, 152820), (849, 151920), (1055, 122256), (1080, 119426), (1132, 113940), (1266, 101880), (1415, 91152), (1688, 76410), (1698, 75960), (1899, 67920), (2110, 61128), (2160, 59713), (2264, 56970), (2532, 50940), (2547, 50640), (2830, 45576), (3165, 40752), (3376, 38205), (3396, 37980), (3798, 33960), (4220, 30564), (4245, 30384), (4528, 28485), (5064, 25470), (5094, 25320), (5660, 22788), (5697, 22640), (6330, 20376), (6792, 18990), (7596, 16980), (7641, 16880), (8440, 15282), (8490, 15192), (9495, 13584), (10128, 12735), (10188, 12660), (11320, 11394)]