309207780

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:241

約数の個数: 288

約数和(自身を含む): 1137427200

約数和(自身を除く): 828219420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 61, 63, 70, 81, 84, 90, 105, 108, 122, 126, 135, 140, 149, 162, 180, 183, 189, 210, 243, 244, 252, 270, 298, 305, 315, 324, 366, 378, 405, 420, 427, 447, 486, 540, 549, 567, 596, 610, 630, 732, 745, 756, 810, 854, 894, 915, 945, 972, 1043, 1098, 1134, 1215, 1220, 1260, 1281, 1341, 1490, 1620, 1647, 1701, 1708, 1788, 1830, 1890, 2086, 2135, 2196, 2235, 2268, 2430, 2562, 2682, 2745, 2835, 2980, 3129, 3294, 3402, 3660, 3780, 3843, 4023, 4172, 4270, 4470, 4860, 4941, 5124, 5215, 5364, 5490, 5670, 6258, 6405, 6588, 6705, 6804, 7686, 8046, 8235, 8505, 8540, 8940, 9089, 9387, 9882, 10430, 10980, 11340, 11529, 12069, 12516, 12810, 13410, 14823, 15372, 15645, 16092, 16470, 17010, 18178, 18774, 19215, 19764, 20115, 20860, 23058, 24138, 24705, 25620, 26820, 27267, 28161, 29646, 31290, 32940, 34020, 34587, 36207, 36356, 37548, 38430, 40230, 45445, 46116, 46935, 48276, 49410, 54534, 56322, 57645, 59292, 60345, 62580, 63623, 69174, 72414, 74115, 76860, 80460, 81801, 84483, 90890, 93870, 98820, 103761, 109068, 112644, 115290, 120690, 127246, 136335, 138348, 140805, 144828, 148230, 163602, 168966, 172935, 181035, 181780, 187740, 190869, 207522, 230580, 241380, 245403, 253449, 254492, 272670, 281610, 296460, 318115, 327204, 337932, 345870, 362070, 381738, 409005, 415044, 422415, 490806, 506898, 518805, 545340, 563220, 572607, 636230, 691740, 724140, 736209, 763476, 818010, 844830, 954345, 981612, 1013796, 1037610, 1145214, 1227015, 1267245, 1272460, 1472418, 1636020, 1689660, 1717821, 1908690, 2075220, 2208627, 2290428, 2454030, 2534490, 2863035, 2944836, 3435642, 3681045, 3817380, 4417254, 4908060, 5068980, 5153463, 5726070, 6871284, 7362090, 8589105, 8834508, 10306926, 11043135, 11452140, 14724180, 15460389, 17178210, 20613852, 22086270, 25767315, 30920778, 34356420, 44172540, 51534630, 61841556, 77301945, 103069260, 154603890, 309207780]

約数ペア:

[(1, 309207780), (2, 154603890), (3, 103069260), (4, 77301945), (5, 61841556), (6, 51534630), (7, 44172540), (9, 34356420), (10, 30920778), (12, 25767315), (14, 22086270), (15, 20613852), (18, 17178210), (20, 15460389), (21, 14724180), (27, 11452140), (28, 11043135), (30, 10306926), (35, 8834508), (36, 8589105), (42, 7362090), (45, 6871284), (54, 5726070), (60, 5153463), (61, 5068980), (63, 4908060), (70, 4417254), (81, 3817380), (84, 3681045), (90, 3435642), (105, 2944836), (108, 2863035), (122, 2534490), (126, 2454030), (135, 2290428), (140, 2208627), (149, 2075220), (162, 1908690), (180, 1717821), (183, 1689660), (189, 1636020), (210, 1472418), (243, 1272460), (244, 1267245), (252, 1227015), (270, 1145214), (298, 1037610), (305, 1013796), (315, 981612), (324, 954345), (366, 844830), (378, 818010), (405, 763476), (420, 736209), (427, 724140), (447, 691740), (486, 636230), (540, 572607), (549, 563220), (567, 545340), (596, 518805), (610, 506898), (630, 490806), (732, 422415), (745, 415044), (756, 409005), (810, 381738), (854, 362070), (894, 345870), (915, 337932), (945, 327204), (972, 318115), (1043, 296460), (1098, 281610), (1134, 272670), (1215, 254492), (1220, 253449), (1260, 245403), (1281, 241380), (1341, 230580), (1490, 207522), (1620, 190869), (1647, 187740), (1701, 181780), (1708, 181035), (1788, 172935), (1830, 168966), (1890, 163602), (2086, 148230), (2135, 144828), (2196, 140805), (2235, 138348), (2268, 136335), (2430, 127246), (2562, 120690), (2682, 115290), (2745, 112644), (2835, 109068), (2980, 103761), (3129, 98820), (3294, 93870), (3402, 90890), (3660, 84483), (3780, 81801), (3843, 80460), (4023, 76860), (4172, 74115), (4270, 72414), (4470, 69174), (4860, 63623), (4941, 62580), (5124, 60345), (5215, 59292), (5364, 57645), (5490, 56322), (5670, 54534), (6258, 49410), (6405, 48276), (6588, 46935), (6705, 46116), (6804, 45445), (7686, 40230), (8046, 38430), (8235, 37548), (8505, 36356), (8540, 36207), (8940, 34587), (9089, 34020), (9387, 32940), (9882, 31290), (10430, 29646), (10980, 28161), (11340, 27267), (11529, 26820), (12069, 25620), (12516, 24705), (12810, 24138), (13410, 23058), (14823, 20860), (15372, 20115), (15645, 19764), (16092, 19215), (16470, 18774), (17010, 18178)]