81960312

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 244661760

約数和(自身を除く): 162701448

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 73, 82, 84, 123, 146, 163, 164, 168, 219, 246, 287, 292, 326, 328, 438, 489, 492, 511, 574, 584, 652, 861, 876, 978, 984, 1022, 1141, 1148, 1304, 1533, 1722, 1752, 1956, 2044, 2282, 2296, 2993, 3066, 3423, 3444, 3912, 4088, 4564, 5986, 6132, 6683, 6846, 6888, 8979, 9128, 11899, 11972, 12264, 13366, 13692, 17958, 20049, 20951, 23798, 23944, 26732, 27384, 35697, 35916, 40098, 41902, 46781, 47596, 53464, 62853, 71394, 71832, 80196, 83293, 83804, 93562, 95192, 125706, 140343, 142788, 160392, 166586, 167608, 187124, 249879, 251412, 280686, 285576, 333172, 374248, 487859, 499758, 502824, 561372, 666344, 975718, 999516, 1122744, 1463577, 1951436, 1999032, 2927154, 3415013, 3902872, 5854308, 6830026, 10245039, 11708616, 13660052, 20490078, 27320104, 40980156, 81960312]

約数ペア:

[(1, 81960312), (2, 40980156), (3, 27320104), (4, 20490078), (6, 13660052), (7, 11708616), (8, 10245039), (12, 6830026), (14, 5854308), (21, 3902872), (24, 3415013), (28, 2927154), (41, 1999032), (42, 1951436), (56, 1463577), (73, 1122744), (82, 999516), (84, 975718), (123, 666344), (146, 561372), (163, 502824), (164, 499758), (168, 487859), (219, 374248), (246, 333172), (287, 285576), (292, 280686), (326, 251412), (328, 249879), (438, 187124), (489, 167608), (492, 166586), (511, 160392), (574, 142788), (584, 140343), (652, 125706), (861, 95192), (876, 93562), (978, 83804), (984, 83293), (1022, 80196), (1141, 71832), (1148, 71394), (1304, 62853), (1533, 53464), (1722, 47596), (1752, 46781), (1956, 41902), (2044, 40098), (2282, 35916), (2296, 35697), (2993, 27384), (3066, 26732), (3423, 23944), (3444, 23798), (3912, 20951), (4088, 20049), (4564, 17958), (5986, 13692), (6132, 13366), (6683, 12264), (6846, 11972), (6888, 11899), (8979, 9128)]