161876988

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{13}}^2\times {\mathrm{181}}^1$

素因数の和:234

約数の個数: 216

約数和(自身を含む): 531563760

約数和(自身を除く): 369686772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 49, 52, 54, 63, 78, 84, 91, 98, 108, 117, 126, 147, 156, 169, 181, 182, 189, 196, 234, 252, 273, 294, 338, 351, 362, 364, 378, 441, 468, 507, 543, 546, 588, 637, 676, 702, 724, 756, 819, 882, 1014, 1086, 1092, 1183, 1267, 1274, 1323, 1404, 1521, 1629, 1638, 1764, 1911, 2028, 2172, 2353, 2366, 2457, 2534, 2548, 2646, 3042, 3258, 3276, 3549, 3801, 3822, 4563, 4706, 4732, 4887, 4914, 5068, 5292, 5733, 6084, 6516, 7059, 7098, 7602, 7644, 8281, 8869, 9126, 9412, 9774, 9828, 10647, 11403, 11466, 14118, 14196, 15204, 16471, 16562, 17199, 17738, 18252, 19548, 21177, 21294, 22806, 22932, 24843, 26607, 28236, 30589, 31941, 32942, 33124, 34209, 34398, 35476, 42354, 42588, 45612, 49413, 49686, 53214, 61178, 63531, 63882, 65884, 68418, 68796, 74529, 79821, 84708, 91767, 98826, 99372, 106428, 115297, 122356, 127062, 127764, 136836, 148239, 149058, 159642, 183534, 197652, 214123, 223587, 230594, 239463, 254124, 275301, 296478, 298116, 319284, 345891, 367068, 428246, 444717, 447174, 461188, 478926, 550602, 592956, 642369, 691782, 825903, 856492, 889434, 894348, 957852, 1037673, 1101204, 1284738, 1383564, 1498861, 1651806, 1778868, 1927107, 2075346, 2569476, 2997722, 3113019, 3303612, 3854214, 4150692, 4496583, 5781321, 5995444, 6226038, 7708428, 8993166, 11562642, 12452076, 13489749, 17986332, 23125284, 26979498, 40469247, 53958996, 80938494, 161876988]

約数ペア:

[(1, 161876988), (2, 80938494), (3, 53958996), (4, 40469247), (6, 26979498), (7, 23125284), (9, 17986332), (12, 13489749), (13, 12452076), (14, 11562642), (18, 8993166), (21, 7708428), (26, 6226038), (27, 5995444), (28, 5781321), (36, 4496583), (39, 4150692), (42, 3854214), (49, 3303612), (52, 3113019), (54, 2997722), (63, 2569476), (78, 2075346), (84, 1927107), (91, 1778868), (98, 1651806), (108, 1498861), (117, 1383564), (126, 1284738), (147, 1101204), (156, 1037673), (169, 957852), (181, 894348), (182, 889434), (189, 856492), (196, 825903), (234, 691782), (252, 642369), (273, 592956), (294, 550602), (338, 478926), (351, 461188), (362, 447174), (364, 444717), (378, 428246), (441, 367068), (468, 345891), (507, 319284), (543, 298116), (546, 296478), (588, 275301), (637, 254124), (676, 239463), (702, 230594), (724, 223587), (756, 214123), (819, 197652), (882, 183534), (1014, 159642), (1086, 149058), (1092, 148239), (1183, 136836), (1267, 127764), (1274, 127062), (1323, 122356), (1404, 115297), (1521, 106428), (1629, 99372), (1638, 98826), (1764, 91767), (1911, 84708), (2028, 79821), (2172, 74529), (2353, 68796), (2366, 68418), (2457, 65884), (2534, 63882), (2548, 63531), (2646, 61178), (3042, 53214), (3258, 49686), (3276, 49413), (3549, 45612), (3801, 42588), (3822, 42354), (4563, 35476), (4706, 34398), (4732, 34209), (4887, 33124), (4914, 32942), (5068, 31941), (5292, 30589), (5733, 28236), (6084, 26607), (6516, 24843), (7059, 22932), (7098, 22806), (7602, 21294), (7644, 21177), (8281, 19548), (8869, 18252), (9126, 17738), (9412, 17199), (9774, 16562), (9828, 16471), (10647, 15204), (11403, 14196), (11466, 14118)]