8172180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{547}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 25133472

約数和(自身を除く): 16961292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 547, 747, 830, 996, 1094, 1245, 1494, 1641, 1660, 2188, 2490, 2735, 2988, 3282, 3735, 4923, 4980, 5470, 6564, 7470, 8205, 9846, 10940, 14940, 16410, 19692, 24615, 32820, 45401, 49230, 90802, 98460, 136203, 181604, 227005, 272406, 408609, 454010, 544812, 681015, 817218, 908020, 1362030, 1634436, 2043045, 2724060, 4086090, 8172180]

約数ペア:

[(1, 8172180), (2, 4086090), (3, 2724060), (4, 2043045), (5, 1634436), (6, 1362030), (9, 908020), (10, 817218), (12, 681015), (15, 544812), (18, 454010), (20, 408609), (30, 272406), (36, 227005), (45, 181604), (60, 136203), (83, 98460), (90, 90802), (166, 49230), (180, 45401), (249, 32820), (332, 24615), (415, 19692), (498, 16410), (547, 14940), (747, 10940), (830, 9846), (996, 8205), (1094, 7470), (1245, 6564), (1494, 5470), (1641, 4980), (1660, 4923), (2188, 3735), (2490, 3282), (2735, 2988)]