1330956640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:741

約数の個数: 192

約数和(自身を含む): 3621252096

約数和(自身を除く): 2290295456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 43, 46, 52, 65, 80, 86, 92, 104, 115, 130, 160, 172, 184, 208, 215, 230, 260, 299, 344, 368, 416, 430, 460, 520, 559, 598, 647, 688, 736, 860, 920, 989, 1040, 1118, 1196, 1294, 1376, 1495, 1720, 1840, 1978, 2080, 2236, 2392, 2588, 2795, 2990, 3235, 3440, 3680, 3956, 4472, 4784, 4945, 5176, 5590, 5980, 6470, 6880, 7912, 8411, 8944, 9568, 9890, 10352, 11180, 11960, 12857, 12940, 14881, 15824, 16822, 17888, 19780, 20704, 22360, 23920, 25714, 25880, 27821, 29762, 31648, 33644, 39560, 42055, 44720, 47840, 51428, 51760, 55642, 59524, 64285, 67288, 74405, 79120, 84110, 89440, 102856, 103520, 111284, 119048, 128570, 134576, 139105, 148810, 158240, 168220, 193453, 205712, 222568, 238096, 257140, 269152, 278210, 297620, 336440, 361673, 386906, 411424, 445136, 476192, 514280, 556420, 595240, 639883, 672880, 723346, 773812, 890272, 967265, 1028560, 1112840, 1190480, 1279766, 1345760, 1446692, 1547624, 1808365, 1934530, 2057120, 2225680, 2380960, 2559532, 2893384, 3095248, 3199415, 3616730, 3869060, 4451360, 5119064, 5786768, 6190496, 6398830, 7233460, 7738120, 8318479, 10238128, 11573536, 12797660, 14466920, 15476240, 16636958, 20476256, 25595320, 28933840, 30952480, 33273916, 41592395, 51190640, 57867680, 66547832, 83184790, 102381280, 133095664, 166369580, 266191328, 332739160, 665478320, 1330956640]

約数ペア:

[(1, 1330956640), (2, 665478320), (4, 332739160), (5, 266191328), (8, 166369580), (10, 133095664), (13, 102381280), (16, 83184790), (20, 66547832), (23, 57867680), (26, 51190640), (32, 41592395), (40, 33273916), (43, 30952480), (46, 28933840), (52, 25595320), (65, 20476256), (80, 16636958), (86, 15476240), (92, 14466920), (104, 12797660), (115, 11573536), (130, 10238128), (160, 8318479), (172, 7738120), (184, 7233460), (208, 6398830), (215, 6190496), (230, 5786768), (260, 5119064), (299, 4451360), (344, 3869060), (368, 3616730), (416, 3199415), (430, 3095248), (460, 2893384), (520, 2559532), (559, 2380960), (598, 2225680), (647, 2057120), (688, 1934530), (736, 1808365), (860, 1547624), (920, 1446692), (989, 1345760), (1040, 1279766), (1118, 1190480), (1196, 1112840), (1294, 1028560), (1376, 967265), (1495, 890272), (1720, 773812), (1840, 723346), (1978, 672880), (2080, 639883), (2236, 595240), (2392, 556420), (2588, 514280), (2795, 476192), (2990, 445136), (3235, 411424), (3440, 386906), (3680, 361673), (3956, 336440), (4472, 297620), (4784, 278210), (4945, 269152), (5176, 257140), (5590, 238096), (5980, 222568), (6470, 205712), (6880, 193453), (7912, 168220), (8411, 158240), (8944, 148810), (9568, 139105), (9890, 134576), (10352, 128570), (11180, 119048), (11960, 111284), (12857, 103520), (12940, 102856), (14881, 89440), (15824, 84110), (16822, 79120), (17888, 74405), (19780, 67288), (20704, 64285), (22360, 59524), (23920, 55642), (25714, 51760), (25880, 51428), (27821, 47840), (29762, 44720), (31648, 42055), (33644, 39560)]