398604960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:340

約数の個数: 288

約数和(自身を含む): 1485993600

約数和(自身を除く): 1087388640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 107, 117, 120, 130, 144, 156, 160, 180, 195, 199, 208, 214, 234, 240, 260, 288, 312, 321, 360, 390, 398, 416, 428, 468, 480, 520, 535, 585, 597, 624, 642, 720, 780, 796, 856, 936, 963, 995, 1040, 1070, 1170, 1194, 1248, 1284, 1391, 1440, 1560, 1592, 1605, 1712, 1791, 1872, 1926, 1990, 2080, 2140, 2340, 2388, 2568, 2587, 2782, 2985, 3120, 3184, 3210, 3424, 3582, 3744, 3852, 3980, 4173, 4280, 4680, 4776, 4815, 5136, 5174, 5564, 5970, 6240, 6368, 6420, 6955, 7164, 7704, 7761, 7960, 8346, 8560, 8955, 9360, 9552, 9630, 10272, 10348, 11128, 11940, 12519, 12840, 12935, 13910, 14328, 15408, 15522, 15920, 16692, 17120, 17910, 18720, 19104, 19260, 20696, 20865, 21293, 22256, 23283, 23880, 25038, 25680, 25870, 27820, 28656, 30816, 31044, 31840, 33384, 35820, 38520, 38805, 41392, 41730, 42586, 44512, 46566, 47760, 50076, 51360, 51740, 55640, 57312, 62088, 62595, 63879, 66768, 71640, 77040, 77610, 82784, 83460, 85172, 93132, 95520, 100152, 103480, 106465, 111280, 116415, 124176, 125190, 127758, 133536, 143280, 154080, 155220, 166920, 170344, 186264, 191637, 200304, 206960, 212930, 222560, 232830, 248352, 250380, 255516, 276809, 286560, 310440, 319395, 333840, 340688, 372528, 383274, 400608, 413920, 425860, 465660, 500760, 511032, 553618, 620880, 638790, 667680, 681376, 745056, 766548, 830427, 851720, 931320, 958185, 1001520, 1022064, 1107236, 1241760, 1277580, 1384045, 1533096, 1660854, 1703440, 1862640, 1916370, 2003040, 2044128, 2214472, 2491281, 2555160, 2768090, 3066192, 3321708, 3406880, 3725280, 3832740, 4152135, 4428944, 4982562, 5110320, 5536180, 6132384, 6643416, 7665480, 8304270, 8857888, 9965124, 10220640, 11072360, 12456405, 13286832, 15330960, 16608540, 19930248, 22144720, 24912810, 26573664, 30661920, 33217080, 39860496, 44289440, 49825620, 66434160, 79720992, 99651240, 132868320, 199302480, 398604960]

約数ペア:

[(1, 398604960), (2, 199302480), (3, 132868320), (4, 99651240), (5, 79720992), (6, 66434160), (8, 49825620), (9, 44289440), (10, 39860496), (12, 33217080), (13, 30661920), (15, 26573664), (16, 24912810), (18, 22144720), (20, 19930248), (24, 16608540), (26, 15330960), (30, 13286832), (32, 12456405), (36, 11072360), (39, 10220640), (40, 9965124), (45, 8857888), (48, 8304270), (52, 7665480), (60, 6643416), (65, 6132384), (72, 5536180), (78, 5110320), (80, 4982562), (90, 4428944), (96, 4152135), (104, 3832740), (107, 3725280), (117, 3406880), (120, 3321708), (130, 3066192), (144, 2768090), (156, 2555160), (160, 2491281), (180, 2214472), (195, 2044128), (199, 2003040), (208, 1916370), (214, 1862640), (234, 1703440), (240, 1660854), (260, 1533096), (288, 1384045), (312, 1277580), (321, 1241760), (360, 1107236), (390, 1022064), (398, 1001520), (416, 958185), (428, 931320), (468, 851720), (480, 830427), (520, 766548), (535, 745056), (585, 681376), (597, 667680), (624, 638790), (642, 620880), (720, 553618), (780, 511032), (796, 500760), (856, 465660), (936, 425860), (963, 413920), (995, 400608), (1040, 383274), (1070, 372528), (1170, 340688), (1194, 333840), (1248, 319395), (1284, 310440), (1391, 286560), (1440, 276809), (1560, 255516), (1592, 250380), (1605, 248352), (1712, 232830), (1791, 222560), (1872, 212930), (1926, 206960), (1990, 200304), (2080, 191637), (2140, 186264), (2340, 170344), (2388, 166920), (2568, 155220), (2587, 154080), (2782, 143280), (2985, 133536), (3120, 127758), (3184, 125190), (3210, 124176), (3424, 116415), (3582, 111280), (3744, 106465), (3852, 103480), (3980, 100152), (4173, 95520), (4280, 93132), (4680, 85172), (4776, 83460), (4815, 82784), (5136, 77610), (5174, 77040), (5564, 71640), (5970, 66768), (6240, 63879), (6368, 62595), (6420, 62088), (6955, 57312), (7164, 55640), (7704, 51740), (7761, 51360), (7960, 50076), (8346, 47760), (8560, 46566), (8955, 44512), (9360, 42586), (9552, 41730), (9630, 41392), (10272, 38805), (10348, 38520), (11128, 35820), (11940, 33384), (12519, 31840), (12840, 31044), (12935, 30816), (13910, 28656), (14328, 27820), (15408, 25870), (15522, 25680), (15920, 25038), (16692, 23880), (17120, 23283), (17910, 22256), (18720, 21293), (19104, 20865), (19260, 20696)]