161581680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:376

約数の個数: 240

約数和(自身を含む): 596066016

約数和(自身を除く): 434484336

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, 61, 65, 72, 78, 80, 90, 104, 117, 120, 122, 130, 144, 156, 180, 183, 195, 208, 234, 240, 244, 260, 283, 305, 312, 360, 366, 390, 468, 488, 520, 549, 566, 585, 610, 624, 720, 732, 780, 793, 849, 915, 936, 976, 1040, 1098, 1132, 1170, 1220, 1415, 1464, 1560, 1586, 1698, 1830, 1872, 2196, 2264, 2340, 2379, 2440, 2547, 2745, 2830, 2928, 3120, 3172, 3396, 3660, 3679, 3965, 4245, 4392, 4528, 4680, 4758, 4880, 5094, 5490, 5660, 6344, 6792, 7137, 7320, 7358, 7930, 8490, 8784, 9360, 9516, 10188, 10980, 11037, 11320, 11895, 12688, 12735, 13584, 14274, 14640, 14716, 15860, 16980, 17263, 18395, 19032, 20376, 21960, 22074, 22640, 23790, 25470, 28548, 29432, 31720, 33111, 33960, 34526, 35685, 36790, 38064, 40752, 43920, 44148, 47580, 50940, 51789, 55185, 57096, 58864, 63440, 66222, 67920, 69052, 71370, 73580, 86315, 88296, 95160, 101880, 103578, 110370, 114192, 132444, 138104, 142740, 147160, 155367, 165555, 172630, 176592, 190320, 203760, 207156, 220740, 224419, 258945, 264888, 276208, 285480, 294320, 310734, 331110, 345260, 414312, 441480, 448838, 517890, 529776, 570960, 621468, 662220, 673257, 690520, 776835, 828624, 882960, 897676, 1035780, 1122095, 1242936, 1324440, 1346514, 1381040, 1553670, 1795352, 2019771, 2071560, 2244190, 2485872, 2648880, 2693028, 3107340, 3366285, 3590704, 4039542, 4143120, 4488380, 5386056, 6214680, 6732570, 8079084, 8976760, 10098855, 10772112, 12429360, 13465140, 16158168, 17953520, 20197710, 26930280, 32316336, 40395420, 53860560, 80790840, 161581680]

約数ペア:

[(1, 161581680), (2, 80790840), (3, 53860560), (4, 40395420), (5, 32316336), (6, 26930280), (8, 20197710), (9, 17953520), (10, 16158168), (12, 13465140), (13, 12429360), (15, 10772112), (16, 10098855), (18, 8976760), (20, 8079084), (24, 6732570), (26, 6214680), (30, 5386056), (36, 4488380), (39, 4143120), (40, 4039542), (45, 3590704), (48, 3366285), (52, 3107340), (60, 2693028), (61, 2648880), (65, 2485872), (72, 2244190), (78, 2071560), (80, 2019771), (90, 1795352), (104, 1553670), (117, 1381040), (120, 1346514), (122, 1324440), (130, 1242936), (144, 1122095), (156, 1035780), (180, 897676), (183, 882960), (195, 828624), (208, 776835), (234, 690520), (240, 673257), (244, 662220), (260, 621468), (283, 570960), (305, 529776), (312, 517890), (360, 448838), (366, 441480), (390, 414312), (468, 345260), (488, 331110), (520, 310734), (549, 294320), (566, 285480), (585, 276208), (610, 264888), (624, 258945), (720, 224419), (732, 220740), (780, 207156), (793, 203760), (849, 190320), (915, 176592), (936, 172630), (976, 165555), (1040, 155367), (1098, 147160), (1132, 142740), (1170, 138104), (1220, 132444), (1415, 114192), (1464, 110370), (1560, 103578), (1586, 101880), (1698, 95160), (1830, 88296), (1872, 86315), (2196, 73580), (2264, 71370), (2340, 69052), (2379, 67920), (2440, 66222), (2547, 63440), (2745, 58864), (2830, 57096), (2928, 55185), (3120, 51789), (3172, 50940), (3396, 47580), (3660, 44148), (3679, 43920), (3965, 40752), (4245, 38064), (4392, 36790), (4528, 35685), (4680, 34526), (4758, 33960), (4880, 33111), (5094, 31720), (5490, 29432), (5660, 28548), (6344, 25470), (6792, 23790), (7137, 22640), (7320, 22074), (7358, 21960), (7930, 20376), (8490, 19032), (8784, 18395), (9360, 17263), (9516, 16980), (10188, 15860), (10980, 14716), (11037, 14640), (11320, 14274), (11895, 13584), (12688, 12735)]