81224360

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1429}}^1$

素因数の和:1483

約数の個数: 96

約数和(自身を含む): 220077000

約数和(自身を除く): 138852640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 49, 56, 58, 70, 98, 116, 140, 145, 196, 203, 232, 245, 280, 290, 392, 406, 490, 580, 812, 980, 1015, 1160, 1421, 1429, 1624, 1960, 2030, 2842, 2858, 4060, 5684, 5716, 7105, 7145, 8120, 10003, 11368, 11432, 14210, 14290, 20006, 28420, 28580, 40012, 41441, 50015, 56840, 57160, 70021, 80024, 82882, 100030, 140042, 165764, 200060, 207205, 280084, 290087, 331528, 350105, 400120, 414410, 560168, 580174, 700210, 828820, 1160348, 1400420, 1450435, 1657640, 2030609, 2320696, 2800840, 2900870, 4061218, 5801740, 8122436, 10153045, 11603480, 16244872, 20306090, 40612180, 81224360]

約数ペア:

[(1, 81224360), (2, 40612180), (4, 20306090), (5, 16244872), (7, 11603480), (8, 10153045), (10, 8122436), (14, 5801740), (20, 4061218), (28, 2900870), (29, 2800840), (35, 2320696), (40, 2030609), (49, 1657640), (56, 1450435), (58, 1400420), (70, 1160348), (98, 828820), (116, 700210), (140, 580174), (145, 560168), (196, 414410), (203, 400120), (232, 350105), (245, 331528), (280, 290087), (290, 280084), (392, 207205), (406, 200060), (490, 165764), (580, 140042), (812, 100030), (980, 82882), (1015, 80024), (1160, 70021), (1421, 57160), (1429, 56840), (1624, 50015), (1960, 41441), (2030, 40012), (2842, 28580), (2858, 28420), (4060, 20006), (5684, 14290), (5716, 14210), (7105, 11432), (7145, 11368), (8120, 10003)]