172689720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{683}}^1$

素因数の和:754

約数の個数: 192

約数和(自身を含む): 617569920

約数和(自身を除く): 444880200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 49, 56, 60, 70, 84, 86, 98, 105, 120, 129, 140, 147, 168, 172, 196, 210, 215, 245, 258, 280, 294, 301, 344, 392, 420, 430, 490, 516, 588, 602, 645, 683, 735, 840, 860, 903, 980, 1032, 1176, 1204, 1290, 1366, 1470, 1505, 1720, 1806, 1960, 2049, 2107, 2408, 2580, 2732, 2940, 3010, 3415, 3612, 4098, 4214, 4515, 4781, 5160, 5464, 5880, 6020, 6321, 6830, 7224, 8196, 8428, 9030, 9562, 10245, 10535, 12040, 12642, 13660, 14343, 16392, 16856, 18060, 19124, 20490, 21070, 23905, 25284, 27320, 28686, 29369, 31605, 33467, 36120, 38248, 40980, 42140, 47810, 50568, 57372, 58738, 63210, 66934, 71715, 81960, 84280, 88107, 95620, 100401, 114744, 117476, 126420, 133868, 143430, 146845, 167335, 176214, 191240, 200802, 205583, 234952, 252840, 267736, 286860, 293690, 334670, 352428, 401604, 411166, 440535, 502005, 573720, 587380, 616749, 669340, 704856, 803208, 822332, 881070, 1004010, 1027915, 1174760, 1233498, 1338680, 1439081, 1644664, 1762140, 2008020, 2055830, 2466996, 2878162, 3083745, 3524280, 4016040, 4111660, 4317243, 4933992, 5756324, 6167490, 7195405, 8223320, 8634486, 11512648, 12334980, 14390810, 17268972, 21586215, 24669960, 28781620, 34537944, 43172430, 57563240, 86344860, 172689720]

約数ペア:

[(1, 172689720), (2, 86344860), (3, 57563240), (4, 43172430), (5, 34537944), (6, 28781620), (7, 24669960), (8, 21586215), (10, 17268972), (12, 14390810), (14, 12334980), (15, 11512648), (20, 8634486), (21, 8223320), (24, 7195405), (28, 6167490), (30, 5756324), (35, 4933992), (40, 4317243), (42, 4111660), (43, 4016040), (49, 3524280), (56, 3083745), (60, 2878162), (70, 2466996), (84, 2055830), (86, 2008020), (98, 1762140), (105, 1644664), (120, 1439081), (129, 1338680), (140, 1233498), (147, 1174760), (168, 1027915), (172, 1004010), (196, 881070), (210, 822332), (215, 803208), (245, 704856), (258, 669340), (280, 616749), (294, 587380), (301, 573720), (344, 502005), (392, 440535), (420, 411166), (430, 401604), (490, 352428), (516, 334670), (588, 293690), (602, 286860), (645, 267736), (683, 252840), (735, 234952), (840, 205583), (860, 200802), (903, 191240), (980, 176214), (1032, 167335), (1176, 146845), (1204, 143430), (1290, 133868), (1366, 126420), (1470, 117476), (1505, 114744), (1720, 100401), (1806, 95620), (1960, 88107), (2049, 84280), (2107, 81960), (2408, 71715), (2580, 66934), (2732, 63210), (2940, 58738), (3010, 57372), (3415, 50568), (3612, 47810), (4098, 42140), (4214, 40980), (4515, 38248), (4781, 36120), (5160, 33467), (5464, 31605), (5880, 29369), (6020, 28686), (6321, 27320), (6830, 25284), (7224, 23905), (8196, 21070), (8428, 20490), (9030, 19124), (9562, 18060), (10245, 16856), (10535, 16392), (12040, 14343), (12642, 13660)]