820496040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{331}}^1$

素因数の和:592

約数の個数: 256

約数和(自身を含む): 3052062720

約数和(自身を除く): 2231566680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 227, 260, 273, 280, 312, 331, 364, 390, 420, 454, 455, 520, 546, 662, 681, 728, 780, 840, 908, 910, 993, 1092, 1135, 1324, 1362, 1365, 1560, 1589, 1655, 1816, 1820, 1986, 2184, 2270, 2317, 2648, 2724, 2730, 2951, 3178, 3310, 3405, 3640, 3972, 4303, 4540, 4634, 4767, 4965, 5448, 5460, 5902, 6356, 6620, 6810, 6951, 7944, 7945, 8606, 8853, 9080, 9268, 9534, 9930, 10920, 11585, 11804, 12712, 12909, 13240, 13620, 13902, 14755, 15890, 17212, 17706, 18536, 19068, 19860, 20657, 21515, 23170, 23608, 23835, 25818, 27240, 27804, 29510, 30121, 31780, 34424, 34755, 35412, 38136, 39720, 41314, 43030, 44265, 46340, 47670, 51636, 55608, 59020, 60242, 61971, 63560, 64545, 69510, 70824, 75137, 82628, 86060, 88530, 90363, 92680, 95340, 103272, 103285, 118040, 120484, 123942, 129090, 139020, 150274, 150605, 165256, 172120, 177060, 180726, 190680, 206570, 225411, 240968, 247884, 258180, 278040, 300548, 301210, 309855, 354120, 361452, 375685, 413140, 450822, 451815, 495768, 516360, 525959, 601096, 602420, 619710, 722904, 751370, 826280, 901644, 903630, 976781, 1051918, 1127055, 1204840, 1239420, 1502740, 1577877, 1803288, 1807260, 1953562, 2103836, 2254110, 2478840, 2629795, 2930343, 3005480, 3155754, 3614520, 3907124, 4207672, 4508220, 4883905, 5259590, 5860686, 6311508, 6837467, 7814248, 7889385, 9016440, 9767810, 10519180, 11721372, 12623016, 13674934, 14651715, 15778770, 19535620, 20512401, 21038360, 23442744, 27349868, 29303430, 31557540, 34187335, 39071240, 41024802, 54699736, 58606860, 63115080, 68374670, 82049604, 102562005, 117213720, 136749340, 164099208, 205124010, 273498680, 410248020, 820496040]

約数ペア:

[(1, 820496040), (2, 410248020), (3, 273498680), (4, 205124010), (5, 164099208), (6, 136749340), (7, 117213720), (8, 102562005), (10, 82049604), (12, 68374670), (13, 63115080), (14, 58606860), (15, 54699736), (20, 41024802), (21, 39071240), (24, 34187335), (26, 31557540), (28, 29303430), (30, 27349868), (35, 23442744), (39, 21038360), (40, 20512401), (42, 19535620), (52, 15778770), (56, 14651715), (60, 13674934), (65, 12623016), (70, 11721372), (78, 10519180), (84, 9767810), (91, 9016440), (104, 7889385), (105, 7814248), (120, 6837467), (130, 6311508), (140, 5860686), (156, 5259590), (168, 4883905), (182, 4508220), (195, 4207672), (210, 3907124), (227, 3614520), (260, 3155754), (273, 3005480), (280, 2930343), (312, 2629795), (331, 2478840), (364, 2254110), (390, 2103836), (420, 1953562), (454, 1807260), (455, 1803288), (520, 1577877), (546, 1502740), (662, 1239420), (681, 1204840), (728, 1127055), (780, 1051918), (840, 976781), (908, 903630), (910, 901644), (993, 826280), (1092, 751370), (1135, 722904), (1324, 619710), (1362, 602420), (1365, 601096), (1560, 525959), (1589, 516360), (1655, 495768), (1816, 451815), (1820, 450822), (1986, 413140), (2184, 375685), (2270, 361452), (2317, 354120), (2648, 309855), (2724, 301210), (2730, 300548), (2951, 278040), (3178, 258180), (3310, 247884), (3405, 240968), (3640, 225411), (3972, 206570), (4303, 190680), (4540, 180726), (4634, 177060), (4767, 172120), (4965, 165256), (5448, 150605), (5460, 150274), (5902, 139020), (6356, 129090), (6620, 123942), (6810, 120484), (6951, 118040), (7944, 103285), (7945, 103272), (8606, 95340), (8853, 92680), (9080, 90363), (9268, 88530), (9534, 86060), (9930, 82628), (10920, 75137), (11585, 70824), (11804, 69510), (12712, 64545), (12909, 63560), (13240, 61971), (13620, 60242), (13902, 59020), (14755, 55608), (15890, 51636), (17212, 47670), (17706, 46340), (18536, 44265), (19068, 43030), (19860, 41314), (20657, 39720), (21515, 38136), (23170, 35412), (23608, 34755), (23835, 34424), (25818, 31780), (27240, 30121), (27804, 29510)]