1819181520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{739}}^1$

素因数の和:1034

約数の個数: 240

約数和(自身を含む): 6613326720

約数和(自身を除く): 4794145200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 263, 312, 360, 390, 468, 520, 526, 585, 624, 720, 739, 780, 789, 936, 1040, 1052, 1170, 1315, 1478, 1560, 1578, 1872, 2104, 2217, 2340, 2367, 2630, 2956, 3120, 3156, 3419, 3695, 3945, 4208, 4434, 4680, 4734, 5260, 5912, 6312, 6651, 6838, 7390, 7890, 8868, 9360, 9468, 9607, 10257, 10520, 11085, 11824, 11835, 12624, 13302, 13676, 14780, 15780, 17095, 17736, 18936, 19214, 20514, 21040, 22170, 23670, 26604, 27352, 28821, 29560, 30771, 31560, 33255, 34190, 35472, 37872, 38428, 41028, 44340, 47340, 48035, 51285, 53208, 54704, 57642, 59120, 61542, 63120, 66510, 68380, 76856, 82056, 86463, 88680, 94680, 96070, 102570, 106416, 115284, 123084, 133020, 136760, 144105, 153712, 153855, 164112, 172926, 177360, 189360, 192140, 194357, 205140, 230568, 246168, 266040, 273520, 288210, 307710, 345852, 384280, 388714, 410280, 432315, 461136, 492336, 532080, 576420, 583071, 615420, 691704, 768560, 777428, 820560, 864630, 971785, 1152840, 1166142, 1230840, 1383408, 1554856, 1729260, 1749213, 1943570, 2305680, 2332284, 2461680, 2526641, 2915355, 3109712, 3458520, 3498426, 3887140, 4664568, 5053282, 5830710, 6917040, 6996852, 7579923, 7774280, 8746065, 9329136, 10106564, 11661420, 12633205, 13993704, 15159846, 15548560, 17492130, 20213128, 22739769, 23322840, 25266410, 27987408, 30319692, 34984260, 37899615, 40426256, 45479538, 46645680, 50532820, 60639384, 69968520, 75799230, 90959076, 101065640, 113698845, 121278768, 139937040, 151598460, 181918152, 202131280, 227397690, 303196920, 363836304, 454795380, 606393840, 909590760, 1819181520]

約数ペア:

[(1, 1819181520), (2, 909590760), (3, 606393840), (4, 454795380), (5, 363836304), (6, 303196920), (8, 227397690), (9, 202131280), (10, 181918152), (12, 151598460), (13, 139937040), (15, 121278768), (16, 113698845), (18, 101065640), (20, 90959076), (24, 75799230), (26, 69968520), (30, 60639384), (36, 50532820), (39, 46645680), (40, 45479538), (45, 40426256), (48, 37899615), (52, 34984260), (60, 30319692), (65, 27987408), (72, 25266410), (78, 23322840), (80, 22739769), (90, 20213128), (104, 17492130), (117, 15548560), (120, 15159846), (130, 13993704), (144, 12633205), (156, 11661420), (180, 10106564), (195, 9329136), (208, 8746065), (234, 7774280), (240, 7579923), (260, 6996852), (263, 6917040), (312, 5830710), (360, 5053282), (390, 4664568), (468, 3887140), (520, 3498426), (526, 3458520), (585, 3109712), (624, 2915355), (720, 2526641), (739, 2461680), (780, 2332284), (789, 2305680), (936, 1943570), (1040, 1749213), (1052, 1729260), (1170, 1554856), (1315, 1383408), (1478, 1230840), (1560, 1166142), (1578, 1152840), (1872, 971785), (2104, 864630), (2217, 820560), (2340, 777428), (2367, 768560), (2630, 691704), (2956, 615420), (3120, 583071), (3156, 576420), (3419, 532080), (3695, 492336), (3945, 461136), (4208, 432315), (4434, 410280), (4680, 388714), (4734, 384280), (5260, 345852), (5912, 307710), (6312, 288210), (6651, 273520), (6838, 266040), (7390, 246168), (7890, 230568), (8868, 205140), (9360, 194357), (9468, 192140), (9607, 189360), (10257, 177360), (10520, 172926), (11085, 164112), (11824, 153855), (11835, 153712), (12624, 144105), (13302, 136760), (13676, 133020), (14780, 123084), (15780, 115284), (17095, 106416), (17736, 102570), (18936, 96070), (19214, 94680), (20514, 88680), (21040, 86463), (22170, 82056), (23670, 76856), (26604, 68380), (27352, 66510), (28821, 63120), (29560, 61542), (30771, 59120), (31560, 57642), (33255, 54704), (34190, 53208), (35472, 51285), (37872, 48035), (38428, 47340), (41028, 44340)]