261761520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{233}}^1$

素因数の和:431

約数の個数: 160

約数和(自身を含む): 846802944

約数和(自身を除く): 585041424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 151, 155, 186, 233, 240, 248, 302, 310, 372, 453, 465, 466, 496, 604, 620, 699, 744, 755, 906, 930, 932, 1165, 1208, 1240, 1398, 1488, 1510, 1812, 1860, 1864, 2265, 2330, 2416, 2480, 2796, 3020, 3495, 3624, 3720, 3728, 4530, 4660, 4681, 5592, 6040, 6990, 7223, 7248, 7440, 9060, 9320, 9362, 11184, 12080, 13980, 14043, 14446, 18120, 18640, 18724, 21669, 23405, 27960, 28086, 28892, 35183, 36115, 36240, 37448, 43338, 46810, 55920, 56172, 57784, 70215, 70366, 72230, 74896, 86676, 93620, 105549, 108345, 112344, 115568, 140430, 140732, 144460, 173352, 175915, 187240, 211098, 216690, 224688, 280860, 281464, 288920, 346704, 351830, 374480, 422196, 433380, 527745, 561720, 562928, 577840, 703660, 844392, 866760, 1055490, 1090673, 1123440, 1407320, 1688784, 1733520, 2110980, 2181346, 2814640, 3272019, 4221960, 4362692, 5453365, 6544038, 8443920, 8725384, 10906730, 13088076, 16360095, 17450768, 21813460, 26176152, 32720190, 43626920, 52352304, 65440380, 87253840, 130880760, 261761520]

約数ペア:

[(1, 261761520), (2, 130880760), (3, 87253840), (4, 65440380), (5, 52352304), (6, 43626920), (8, 32720190), (10, 26176152), (12, 21813460), (15, 17450768), (16, 16360095), (20, 13088076), (24, 10906730), (30, 8725384), (31, 8443920), (40, 6544038), (48, 5453365), (60, 4362692), (62, 4221960), (80, 3272019), (93, 2814640), (120, 2181346), (124, 2110980), (151, 1733520), (155, 1688784), (186, 1407320), (233, 1123440), (240, 1090673), (248, 1055490), (302, 866760), (310, 844392), (372, 703660), (453, 577840), (465, 562928), (466, 561720), (496, 527745), (604, 433380), (620, 422196), (699, 374480), (744, 351830), (755, 346704), (906, 288920), (930, 281464), (932, 280860), (1165, 224688), (1208, 216690), (1240, 211098), (1398, 187240), (1488, 175915), (1510, 173352), (1812, 144460), (1860, 140732), (1864, 140430), (2265, 115568), (2330, 112344), (2416, 108345), (2480, 105549), (2796, 93620), (3020, 86676), (3495, 74896), (3624, 72230), (3720, 70366), (3728, 70215), (4530, 57784), (4660, 56172), (4681, 55920), (5592, 46810), (6040, 43338), (6990, 37448), (7223, 36240), (7248, 36115), (7440, 35183), (9060, 28892), (9320, 28086), (9362, 27960), (11184, 23405), (12080, 21669), (13980, 18724), (14043, 18640), (14446, 18120)]