18537221520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{20983}}^1$

素因数の和:21414

約数の個数: 160

約数和(自身を含む): 64009593600

約数和(自身を除く): 45472372080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 409, 432, 540, 720, 818, 1080, 1227, 1636, 2045, 2160, 2454, 3272, 3681, 4090, 4908, 6135, 6544, 7362, 8180, 9816, 11043, 12270, 14724, 16360, 18405, 19632, 20983, 22086, 24540, 29448, 32720, 36810, 41966, 44172, 49080, 55215, 58896, 62949, 73620, 83932, 88344, 98160, 104915, 110430, 125898, 147240, 167864, 176688, 188847, 209830, 220860, 251796, 294480, 314745, 335728, 377694, 419660, 441720, 503592, 566541, 629490, 755388, 839320, 883440, 944235, 1007184, 1133082, 1258980, 1510776, 1678640, 1888470, 2266164, 2517960, 2832705, 3021552, 3776940, 4532328, 5035920, 5665410, 7553880, 8582047, 9064656, 11330820, 15107760, 17164094, 22661640, 25746141, 34328188, 42910235, 45323280, 51492282, 68656376, 77238423, 85820470, 102984564, 128730705, 137312752, 154476846, 171640940, 205969128, 231715269, 257461410, 308953692, 343281880, 386192115, 411938256, 463430538, 514922820, 617907384, 686563760, 772384230, 926861076, 1029845640, 1158576345, 1235814768, 1544768460, 1853722152, 2059691280, 2317152690, 3089536920, 3707444304, 4634305380, 6179073840, 9268610760, 18537221520]

約数ペア:

[(1, 18537221520), (2, 9268610760), (3, 6179073840), (4, 4634305380), (5, 3707444304), (6, 3089536920), (8, 2317152690), (9, 2059691280), (10, 1853722152), (12, 1544768460), (15, 1235814768), (16, 1158576345), (18, 1029845640), (20, 926861076), (24, 772384230), (27, 686563760), (30, 617907384), (36, 514922820), (40, 463430538), (45, 411938256), (48, 386192115), (54, 343281880), (60, 308953692), (72, 257461410), (80, 231715269), (90, 205969128), (108, 171640940), (120, 154476846), (135, 137312752), (144, 128730705), (180, 102984564), (216, 85820470), (240, 77238423), (270, 68656376), (360, 51492282), (409, 45323280), (432, 42910235), (540, 34328188), (720, 25746141), (818, 22661640), (1080, 17164094), (1227, 15107760), (1636, 11330820), (2045, 9064656), (2160, 8582047), (2454, 7553880), (3272, 5665410), (3681, 5035920), (4090, 4532328), (4908, 3776940), (6135, 3021552), (6544, 2832705), (7362, 2517960), (8180, 2266164), (9816, 1888470), (11043, 1678640), (12270, 1510776), (14724, 1258980), (16360, 1133082), (18405, 1007184), (19632, 944235), (20983, 883440), (22086, 839320), (24540, 755388), (29448, 629490), (32720, 566541), (36810, 503592), (41966, 441720), (44172, 419660), (49080, 377694), (55215, 335728), (58896, 314745), (62949, 294480), (73620, 251796), (83932, 220860), (88344, 209830), (98160, 188847), (104915, 176688), (110430, 167864), (125898, 147240)]