30811920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1$

素因数の和:297

約数の個数: 160

約数和(自身を含む): 104457600

約数和(自身を除く): 73645680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 29, 30, 38, 40, 48, 57, 58, 60, 76, 80, 87, 95, 114, 116, 120, 145, 152, 174, 190, 228, 232, 233, 240, 285, 290, 304, 348, 380, 435, 456, 464, 466, 551, 570, 580, 696, 699, 760, 870, 912, 932, 1102, 1140, 1160, 1165, 1392, 1398, 1520, 1653, 1740, 1864, 2204, 2280, 2320, 2330, 2755, 2796, 3306, 3480, 3495, 3728, 4408, 4427, 4560, 4660, 5510, 5592, 6612, 6757, 6960, 6990, 8265, 8816, 8854, 9320, 11020, 11184, 13224, 13281, 13514, 13980, 16530, 17708, 18640, 20271, 22040, 22135, 26448, 26562, 27028, 27960, 33060, 33785, 35416, 40542, 44080, 44270, 53124, 54056, 55920, 66120, 66405, 67570, 70832, 81084, 88540, 101355, 106248, 108112, 128383, 132240, 132810, 135140, 162168, 177080, 202710, 212496, 256766, 265620, 270280, 324336, 354160, 385149, 405420, 513532, 531240, 540560, 641915, 770298, 810840, 1027064, 1062480, 1283830, 1540596, 1621680, 1925745, 2054128, 2567660, 3081192, 3851490, 5135320, 6162384, 7702980, 10270640, 15405960, 30811920]

約数ペア:

[(1, 30811920), (2, 15405960), (3, 10270640), (4, 7702980), (5, 6162384), (6, 5135320), (8, 3851490), (10, 3081192), (12, 2567660), (15, 2054128), (16, 1925745), (19, 1621680), (20, 1540596), (24, 1283830), (29, 1062480), (30, 1027064), (38, 810840), (40, 770298), (48, 641915), (57, 540560), (58, 531240), (60, 513532), (76, 405420), (80, 385149), (87, 354160), (95, 324336), (114, 270280), (116, 265620), (120, 256766), (145, 212496), (152, 202710), (174, 177080), (190, 162168), (228, 135140), (232, 132810), (233, 132240), (240, 128383), (285, 108112), (290, 106248), (304, 101355), (348, 88540), (380, 81084), (435, 70832), (456, 67570), (464, 66405), (466, 66120), (551, 55920), (570, 54056), (580, 53124), (696, 44270), (699, 44080), (760, 40542), (870, 35416), (912, 33785), (932, 33060), (1102, 27960), (1140, 27028), (1160, 26562), (1165, 26448), (1392, 22135), (1398, 22040), (1520, 20271), (1653, 18640), (1740, 17708), (1864, 16530), (2204, 13980), (2280, 13514), (2320, 13281), (2330, 13224), (2755, 11184), (2796, 11020), (3306, 9320), (3480, 8854), (3495, 8816), (3728, 8265), (4408, 6990), (4427, 6960), (4560, 6757), (4660, 6612), (5510, 5592)]