42404040

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 256

約数和(自身を含む): 165888000

約数和(自身を除く): 123483960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 71, 72, 79, 84, 90, 105, 108, 120, 126, 135, 140, 142, 158, 168, 180, 189, 210, 213, 216, 237, 252, 270, 280, 284, 315, 316, 355, 360, 378, 395, 420, 426, 474, 497, 504, 540, 553, 568, 630, 632, 639, 710, 711, 756, 790, 840, 852, 945, 948, 994, 1065, 1080, 1106, 1185, 1260, 1278, 1420, 1422, 1491, 1512, 1580, 1659, 1704, 1890, 1896, 1917, 1988, 2130, 2133, 2212, 2370, 2485, 2520, 2556, 2765, 2840, 2844, 2982, 3160, 3195, 3318, 3555, 3780, 3834, 3976, 4260, 4266, 4424, 4473, 4740, 4970, 4977, 5112, 5530, 5609, 5688, 5964, 6390, 6636, 7110, 7455, 7560, 7668, 8295, 8520, 8532, 8946, 9480, 9585, 9940, 9954, 10665, 11060, 11218, 11928, 12780, 13272, 13419, 14220, 14910, 14931, 15336, 16590, 16827, 17064, 17892, 19170, 19880, 19908, 21330, 22120, 22365, 22436, 24885, 25560, 26838, 28045, 28440, 29820, 29862, 33180, 33654, 35784, 38340, 39263, 39816, 42660, 44730, 44872, 49770, 50481, 53676, 56090, 59640, 59724, 66360, 67095, 67308, 74655, 76680, 78526, 84135, 85320, 89460, 99540, 100962, 107352, 112180, 117789, 119448, 134190, 134616, 149310, 151443, 157052, 168270, 178920, 196315, 199080, 201924, 224360, 235578, 252405, 268380, 298620, 302886, 314104, 336540, 353367, 392630, 403848, 471156, 504810, 536760, 588945, 597240, 605772, 673080, 706734, 757215, 785260, 942312, 1009620, 1060101, 1177890, 1211544, 1413468, 1514430, 1570520, 1766835, 2019240, 2120202, 2355780, 2826936, 3028860, 3533670, 4240404, 4711560, 5300505, 6057720, 7067340, 8480808, 10601010, 14134680, 21202020, 42404040]

約数ペア:

[(1, 42404040), (2, 21202020), (3, 14134680), (4, 10601010), (5, 8480808), (6, 7067340), (7, 6057720), (8, 5300505), (9, 4711560), (10, 4240404), (12, 3533670), (14, 3028860), (15, 2826936), (18, 2355780), (20, 2120202), (21, 2019240), (24, 1766835), (27, 1570520), (28, 1514430), (30, 1413468), (35, 1211544), (36, 1177890), (40, 1060101), (42, 1009620), (45, 942312), (54, 785260), (56, 757215), (60, 706734), (63, 673080), (70, 605772), (71, 597240), (72, 588945), (79, 536760), (84, 504810), (90, 471156), (105, 403848), (108, 392630), (120, 353367), (126, 336540), (135, 314104), (140, 302886), (142, 298620), (158, 268380), (168, 252405), (180, 235578), (189, 224360), (210, 201924), (213, 199080), (216, 196315), (237, 178920), (252, 168270), (270, 157052), (280, 151443), (284, 149310), (315, 134616), (316, 134190), (355, 119448), (360, 117789), (378, 112180), (395, 107352), (420, 100962), (426, 99540), (474, 89460), (497, 85320), (504, 84135), (540, 78526), (553, 76680), (568, 74655), (630, 67308), (632, 67095), (639, 66360), (710, 59724), (711, 59640), (756, 56090), (790, 53676), (840, 50481), (852, 49770), (945, 44872), (948, 44730), (994, 42660), (1065, 39816), (1080, 39263), (1106, 38340), (1185, 35784), (1260, 33654), (1278, 33180), (1420, 29862), (1422, 29820), (1491, 28440), (1512, 28045), (1580, 26838), (1659, 25560), (1704, 24885), (1890, 22436), (1896, 22365), (1917, 22120), (1988, 21330), (2130, 19908), (2133, 19880), (2212, 19170), (2370, 17892), (2485, 17064), (2520, 16827), (2556, 16590), (2765, 15336), (2840, 14931), (2844, 14910), (2982, 14220), (3160, 13419), (3195, 13272), (3318, 12780), (3555, 11928), (3780, 11218), (3834, 11060), (3976, 10665), (4260, 9954), (4266, 9940), (4424, 9585), (4473, 9480), (4740, 8946), (4970, 8532), (4977, 8520), (5112, 8295), (5530, 7668), (5609, 7560), (5688, 7455), (5964, 7110), (6390, 6636)]