15206940

素因数分解:

$2^2\times 3^6\times 5^1\times 7^1\times {\mathrm{149}}^1$

素因数の和:183

約数の個数: 168

約数和(自身を含む): 55087200

約数和(自身を除く): 39880260

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, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 149, 162, 180, 189, 210, 243, 252, 270, 298, 315, 324, 378, 405, 420, 447, 486, 540, 567, 596, 630, 729, 745, 756, 810, 894, 945, 972, 1043, 1134, 1215, 1260, 1341, 1458, 1490, 1620, 1701, 1788, 1890, 2086, 2235, 2268, 2430, 2682, 2835, 2916, 2980, 3129, 3402, 3645, 3780, 4023, 4172, 4470, 4860, 5103, 5215, 5364, 5670, 6258, 6705, 6804, 7290, 8046, 8505, 8940, 9387, 10206, 10430, 11340, 12069, 12516, 13410, 14580, 15645, 16092, 17010, 18774, 20115, 20412, 20860, 24138, 25515, 26820, 28161, 31290, 34020, 36207, 37548, 40230, 46935, 48276, 51030, 56322, 60345, 62580, 72414, 80460, 84483, 93870, 102060, 108621, 112644, 120690, 140805, 144828, 168966, 181035, 187740, 217242, 241380, 253449, 281610, 337932, 362070, 422415, 434484, 506898, 543105, 563220, 724140, 760347, 844830, 1013796, 1086210, 1267245, 1520694, 1689660, 2172420, 2534490, 3041388, 3801735, 5068980, 7603470, 15206940]

約数ペア:

[(1, 15206940), (2, 7603470), (3, 5068980), (4, 3801735), (5, 3041388), (6, 2534490), (7, 2172420), (9, 1689660), (10, 1520694), (12, 1267245), (14, 1086210), (15, 1013796), (18, 844830), (20, 760347), (21, 724140), (27, 563220), (28, 543105), (30, 506898), (35, 434484), (36, 422415), (42, 362070), (45, 337932), (54, 281610), (60, 253449), (63, 241380), (70, 217242), (81, 187740), (84, 181035), (90, 168966), (105, 144828), (108, 140805), (126, 120690), (135, 112644), (140, 108621), (149, 102060), (162, 93870), (180, 84483), (189, 80460), (210, 72414), (243, 62580), (252, 60345), (270, 56322), (298, 51030), (315, 48276), (324, 46935), (378, 40230), (405, 37548), (420, 36207), (447, 34020), (486, 31290), (540, 28161), (567, 26820), (596, 25515), (630, 24138), (729, 20860), (745, 20412), (756, 20115), (810, 18774), (894, 17010), (945, 16092), (972, 15645), (1043, 14580), (1134, 13410), (1215, 12516), (1260, 12069), (1341, 11340), (1458, 10430), (1490, 10206), (1620, 9387), (1701, 8940), (1788, 8505), (1890, 8046), (2086, 7290), (2235, 6804), (2268, 6705), (2430, 6258), (2682, 5670), (2835, 5364), (2916, 5215), (2980, 5103), (3129, 4860), (3402, 4470), (3645, 4172), (3780, 4023)]