181620468

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:379

約数の個数: 120

約数和(自身を含む): 505625120

約数和(自身を除く): 324004652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 163, 171, 181, 228, 324, 326, 342, 362, 489, 513, 543, 652, 684, 724, 978, 1026, 1086, 1467, 1539, 1629, 1956, 2052, 2172, 2934, 3078, 3097, 3258, 3439, 4401, 4887, 5868, 6156, 6194, 6516, 6878, 8802, 9291, 9774, 10317, 12388, 13203, 13756, 14661, 17604, 18582, 19548, 20634, 26406, 27873, 29322, 29503, 30951, 37164, 41268, 52812, 55746, 58644, 59006, 61902, 83619, 88509, 92853, 111492, 118012, 123804, 167238, 177018, 185706, 250857, 265527, 278559, 334476, 354036, 371412, 501714, 531054, 557118, 560557, 796581, 1003428, 1062108, 1114236, 1121114, 1593162, 1681671, 2242228, 2389743, 3186324, 3363342, 4779486, 5045013, 6726684, 9558972, 10090026, 15135039, 20180052, 30270078, 45405117, 60540156, 90810234, 181620468]

約数ペア:

[(1, 181620468), (2, 90810234), (3, 60540156), (4, 45405117), (6, 30270078), (9, 20180052), (12, 15135039), (18, 10090026), (19, 9558972), (27, 6726684), (36, 5045013), (38, 4779486), (54, 3363342), (57, 3186324), (76, 2389743), (81, 2242228), (108, 1681671), (114, 1593162), (162, 1121114), (163, 1114236), (171, 1062108), (181, 1003428), (228, 796581), (324, 560557), (326, 557118), (342, 531054), (362, 501714), (489, 371412), (513, 354036), (543, 334476), (652, 278559), (684, 265527), (724, 250857), (978, 185706), (1026, 177018), (1086, 167238), (1467, 123804), (1539, 118012), (1629, 111492), (1956, 92853), (2052, 88509), (2172, 83619), (2934, 61902), (3078, 59006), (3097, 58644), (3258, 55746), (3439, 52812), (4401, 41268), (4887, 37164), (5868, 30951), (6156, 29503), (6194, 29322), (6516, 27873), (6878, 26406), (8802, 20634), (9291, 19548), (9774, 18582), (10317, 17604), (12388, 14661), (13203, 13756)]