161789040

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{683}}^1$

素因数の和:756

約数の個数: 240

約数和(自身を含む): 635102208

約数和(自身を除く): 473313168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 47, 48, 56, 60, 63, 70, 72, 80, 84, 90, 94, 105, 112, 120, 126, 140, 141, 144, 168, 180, 188, 210, 235, 240, 252, 280, 282, 315, 329, 336, 360, 376, 420, 423, 470, 504, 560, 564, 630, 658, 683, 705, 720, 752, 840, 846, 940, 987, 1008, 1128, 1260, 1316, 1366, 1410, 1645, 1680, 1692, 1880, 1974, 2049, 2115, 2256, 2520, 2632, 2732, 2820, 2961, 3290, 3384, 3415, 3760, 3948, 4098, 4230, 4781, 4935, 5040, 5264, 5464, 5640, 5922, 6147, 6580, 6768, 6830, 7896, 8196, 8460, 9562, 9870, 10245, 10928, 11280, 11844, 12294, 13160, 13660, 14343, 14805, 15792, 16392, 16920, 19124, 19740, 20490, 23688, 23905, 24588, 26320, 27320, 28686, 29610, 30735, 32101, 32784, 33840, 38248, 39480, 40980, 43029, 47376, 47810, 49176, 54640, 57372, 59220, 61470, 64202, 71715, 76496, 78960, 81960, 86058, 95620, 96303, 98352, 114744, 118440, 122940, 128404, 143430, 160505, 163920, 172116, 191240, 192606, 215145, 224707, 229488, 236880, 245880, 256808, 286860, 288909, 321010, 344232, 382480, 385212, 430290, 449414, 481515, 491760, 513616, 573720, 577818, 642020, 674121, 688464, 770424, 860580, 898828, 963030, 1123535, 1147440, 1155636, 1284040, 1348242, 1444545, 1540848, 1721160, 1797656, 1926060, 2022363, 2247070, 2311272, 2568080, 2696484, 2889090, 3370605, 3442320, 3595312, 3852120, 4044726, 4494140, 4622544, 5392968, 5778180, 6741210, 7704240, 8089452, 8988280, 10111815, 10785936, 11556360, 13482420, 16178904, 17976560, 20223630, 23112720, 26964840, 32357808, 40447260, 53929680, 80894520, 161789040]

約数ペア:

[(1, 161789040), (2, 80894520), (3, 53929680), (4, 40447260), (5, 32357808), (6, 26964840), (7, 23112720), (8, 20223630), (9, 17976560), (10, 16178904), (12, 13482420), (14, 11556360), (15, 10785936), (16, 10111815), (18, 8988280), (20, 8089452), (21, 7704240), (24, 6741210), (28, 5778180), (30, 5392968), (35, 4622544), (36, 4494140), (40, 4044726), (42, 3852120), (45, 3595312), (47, 3442320), (48, 3370605), (56, 2889090), (60, 2696484), (63, 2568080), (70, 2311272), (72, 2247070), (80, 2022363), (84, 1926060), (90, 1797656), (94, 1721160), (105, 1540848), (112, 1444545), (120, 1348242), (126, 1284040), (140, 1155636), (141, 1147440), (144, 1123535), (168, 963030), (180, 898828), (188, 860580), (210, 770424), (235, 688464), (240, 674121), (252, 642020), (280, 577818), (282, 573720), (315, 513616), (329, 491760), (336, 481515), (360, 449414), (376, 430290), (420, 385212), (423, 382480), (470, 344232), (504, 321010), (560, 288909), (564, 286860), (630, 256808), (658, 245880), (683, 236880), (705, 229488), (720, 224707), (752, 215145), (840, 192606), (846, 191240), (940, 172116), (987, 163920), (1008, 160505), (1128, 143430), (1260, 128404), (1316, 122940), (1366, 118440), (1410, 114744), (1645, 98352), (1680, 96303), (1692, 95620), (1880, 86058), (1974, 81960), (2049, 78960), (2115, 76496), (2256, 71715), (2520, 64202), (2632, 61470), (2732, 59220), (2820, 57372), (2961, 54640), (3290, 49176), (3384, 47810), (3415, 47376), (3760, 43029), (3948, 40980), (4098, 39480), (4230, 38248), (4781, 33840), (4935, 32784), (5040, 32101), (5264, 30735), (5464, 29610), (5640, 28686), (5922, 27320), (6147, 26320), (6580, 24588), (6768, 23905), (6830, 23688), (7896, 20490), (8196, 19740), (8460, 19124), (9562, 16920), (9870, 16392), (10245, 15792), (10928, 14805), (11280, 14343), (11844, 13660), (12294, 13160)]