281031120

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1455

約数の個数: 200

約数和(自身を含む): 1008268800

約数和(自身を除く): 727237680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 108, 120, 124, 135, 144, 155, 162, 180, 186, 216, 240, 248, 270, 279, 310, 324, 360, 372, 405, 432, 465, 496, 540, 558, 620, 648, 720, 744, 810, 837, 930, 1080, 1116, 1240, 1296, 1395, 1399, 1488, 1620, 1674, 1860, 2160, 2232, 2480, 2511, 2790, 2798, 3240, 3348, 3720, 4185, 4197, 4464, 5022, 5580, 5596, 6480, 6696, 6995, 7440, 8370, 8394, 10044, 11160, 11192, 12555, 12591, 13392, 13990, 16740, 16788, 20088, 20985, 22320, 22384, 25110, 25182, 27980, 33480, 33576, 37773, 40176, 41970, 43369, 50220, 50364, 55960, 62955, 66960, 67152, 75546, 83940, 86738, 100440, 100728, 111920, 113319, 125910, 130107, 151092, 167880, 173476, 188865, 200880, 201456, 216845, 226638, 251820, 260214, 302184, 335760, 346952, 377730, 390321, 433690, 453276, 503640, 520428, 566595, 604368, 650535, 693904, 755460, 780642, 867380, 906552, 1007280, 1040856, 1133190, 1170963, 1301070, 1510920, 1561284, 1734760, 1813104, 1951605, 2081712, 2266380, 2341926, 2602140, 3021840, 3122568, 3469520, 3512889, 3903210, 4532760, 4683852, 5204280, 5854815, 6245136, 7025778, 7806420, 9065520, 9367704, 10408560, 11709630, 14051556, 15612840, 17564445, 18735408, 23419260, 28103112, 31225680, 35128890, 46838520, 56206224, 70257780, 93677040, 140515560, 281031120]

約数ペア:

[(1, 281031120), (2, 140515560), (3, 93677040), (4, 70257780), (5, 56206224), (6, 46838520), (8, 35128890), (9, 31225680), (10, 28103112), (12, 23419260), (15, 18735408), (16, 17564445), (18, 15612840), (20, 14051556), (24, 11709630), (27, 10408560), (30, 9367704), (31, 9065520), (36, 7806420), (40, 7025778), (45, 6245136), (48, 5854815), (54, 5204280), (60, 4683852), (62, 4532760), (72, 3903210), (80, 3512889), (81, 3469520), (90, 3122568), (93, 3021840), (108, 2602140), (120, 2341926), (124, 2266380), (135, 2081712), (144, 1951605), (155, 1813104), (162, 1734760), (180, 1561284), (186, 1510920), (216, 1301070), (240, 1170963), (248, 1133190), (270, 1040856), (279, 1007280), (310, 906552), (324, 867380), (360, 780642), (372, 755460), (405, 693904), (432, 650535), (465, 604368), (496, 566595), (540, 520428), (558, 503640), (620, 453276), (648, 433690), (720, 390321), (744, 377730), (810, 346952), (837, 335760), (930, 302184), (1080, 260214), (1116, 251820), (1240, 226638), (1296, 216845), (1395, 201456), (1399, 200880), (1488, 188865), (1620, 173476), (1674, 167880), (1860, 151092), (2160, 130107), (2232, 125910), (2480, 113319), (2511, 111920), (2790, 100728), (2798, 100440), (3240, 86738), (3348, 83940), (3720, 75546), (4185, 67152), (4197, 66960), (4464, 62955), (5022, 55960), (5580, 50364), (5596, 50220), (6480, 43369), (6696, 41970), (6995, 40176), (7440, 37773), (8370, 33576), (8394, 33480), (10044, 27980), (11160, 25182), (11192, 25110), (12555, 22384), (12591, 22320), (13392, 20985), (13990, 20088), (16740, 16788)]