1979408760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{277}}^1$

素因数の和:526

約数の個数: 256

約数和(自身を含む): 6994391040

約数和(自身を除く): 5014982280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 181, 188, 210, 235, 277, 280, 282, 329, 362, 376, 420, 470, 543, 554, 564, 658, 705, 724, 831, 840, 905, 940, 987, 1086, 1108, 1128, 1267, 1316, 1385, 1410, 1448, 1645, 1662, 1810, 1880, 1939, 1974, 2172, 2216, 2534, 2632, 2715, 2770, 2820, 3290, 3324, 3620, 3801, 3878, 3948, 4155, 4344, 4935, 5068, 5430, 5540, 5640, 5817, 6335, 6580, 6648, 7240, 7602, 7756, 7896, 8310, 8507, 9695, 9870, 10136, 10860, 11080, 11634, 12670, 13019, 13160, 15204, 15512, 16620, 17014, 19005, 19390, 19740, 21720, 23268, 25340, 25521, 26038, 29085, 30408, 33240, 34028, 38010, 38780, 39057, 39480, 42535, 46536, 50137, 50680, 51042, 52076, 58170, 59549, 65095, 68056, 76020, 77560, 78114, 85070, 91133, 100274, 102084, 104152, 116340, 119098, 127605, 130190, 150411, 152040, 156228, 170140, 178647, 182266, 195285, 200548, 204168, 232680, 238196, 250685, 255210, 260380, 273399, 297745, 300822, 312456, 340280, 350959, 357294, 364532, 390570, 401096, 455665, 476392, 501370, 510420, 520760, 546798, 595490, 601644, 701918, 714588, 729064, 752055, 781140, 893235, 911330, 1002740, 1020840, 1052877, 1093596, 1190980, 1203288, 1366995, 1403836, 1429176, 1504110, 1562280, 1754795, 1786470, 1822660, 2005480, 2105754, 2187192, 2356439, 2381960, 2733990, 2807672, 3008220, 3509590, 3572940, 3645320, 4211508, 4712878, 5264385, 5467980, 6016440, 7019180, 7069317, 7145880, 8423016, 9425756, 10528770, 10935960, 11782195, 14038360, 14138634, 16495073, 18851512, 21057540, 23564390, 28277268, 32990146, 35346585, 42115080, 47128780, 49485219, 56554536, 65980292, 70693170, 82475365, 94257560, 98970438, 131960584, 141386340, 164950730, 197940876, 247426095, 282772680, 329901460, 395881752, 494852190, 659802920, 989704380, 1979408760]

約数ペア:

[(1, 1979408760), (2, 989704380), (3, 659802920), (4, 494852190), (5, 395881752), (6, 329901460), (7, 282772680), (8, 247426095), (10, 197940876), (12, 164950730), (14, 141386340), (15, 131960584), (20, 98970438), (21, 94257560), (24, 82475365), (28, 70693170), (30, 65980292), (35, 56554536), (40, 49485219), (42, 47128780), (47, 42115080), (56, 35346585), (60, 32990146), (70, 28277268), (84, 23564390), (94, 21057540), (105, 18851512), (120, 16495073), (140, 14138634), (141, 14038360), (168, 11782195), (181, 10935960), (188, 10528770), (210, 9425756), (235, 8423016), (277, 7145880), (280, 7069317), (282, 7019180), (329, 6016440), (362, 5467980), (376, 5264385), (420, 4712878), (470, 4211508), (543, 3645320), (554, 3572940), (564, 3509590), (658, 3008220), (705, 2807672), (724, 2733990), (831, 2381960), (840, 2356439), (905, 2187192), (940, 2105754), (987, 2005480), (1086, 1822660), (1108, 1786470), (1128, 1754795), (1267, 1562280), (1316, 1504110), (1385, 1429176), (1410, 1403836), (1448, 1366995), (1645, 1203288), (1662, 1190980), (1810, 1093596), (1880, 1052877), (1939, 1020840), (1974, 1002740), (2172, 911330), (2216, 893235), (2534, 781140), (2632, 752055), (2715, 729064), (2770, 714588), (2820, 701918), (3290, 601644), (3324, 595490), (3620, 546798), (3801, 520760), (3878, 510420), (3948, 501370), (4155, 476392), (4344, 455665), (4935, 401096), (5068, 390570), (5430, 364532), (5540, 357294), (5640, 350959), (5817, 340280), (6335, 312456), (6580, 300822), (6648, 297745), (7240, 273399), (7602, 260380), (7756, 255210), (7896, 250685), (8310, 238196), (8507, 232680), (9695, 204168), (9870, 200548), (10136, 195285), (10860, 182266), (11080, 178647), (11634, 170140), (12670, 156228), (13019, 152040), (13160, 150411), (15204, 130190), (15512, 127605), (16620, 119098), (17014, 116340), (19005, 104152), (19390, 102084), (19740, 100274), (21720, 91133), (23268, 85070), (25340, 78114), (25521, 77560), (26038, 76020), (29085, 68056), (30408, 65095), (33240, 59549), (34028, 58170), (38010, 52076), (38780, 51042), (39057, 50680), (39480, 50137), (42535, 46536)]