9980820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:183

約数の個数: 120

約数和(自身を含む): 32138568

約数和(自身を除く): 22157748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 81, 90, 101, 108, 122, 135, 162, 180, 183, 202, 244, 270, 303, 305, 324, 366, 404, 405, 505, 540, 549, 606, 610, 732, 810, 909, 915, 1010, 1098, 1212, 1220, 1515, 1620, 1647, 1818, 1830, 2020, 2196, 2727, 2745, 3030, 3294, 3636, 3660, 4545, 4941, 5454, 5490, 6060, 6161, 6588, 8181, 8235, 9090, 9882, 10908, 10980, 12322, 13635, 16362, 16470, 18180, 18483, 19764, 24644, 24705, 27270, 30805, 32724, 32940, 36966, 40905, 49410, 54540, 55449, 61610, 73932, 81810, 92415, 98820, 110898, 123220, 163620, 166347, 184830, 221796, 277245, 332694, 369660, 499041, 554490, 665388, 831735, 998082, 1108980, 1663470, 1996164, 2495205, 3326940, 4990410, 9980820]

約数ペア:

[(1, 9980820), (2, 4990410), (3, 3326940), (4, 2495205), (5, 1996164), (6, 1663470), (9, 1108980), (10, 998082), (12, 831735), (15, 665388), (18, 554490), (20, 499041), (27, 369660), (30, 332694), (36, 277245), (45, 221796), (54, 184830), (60, 166347), (61, 163620), (81, 123220), (90, 110898), (101, 98820), (108, 92415), (122, 81810), (135, 73932), (162, 61610), (180, 55449), (183, 54540), (202, 49410), (244, 40905), (270, 36966), (303, 32940), (305, 32724), (324, 30805), (366, 27270), (404, 24705), (405, 24644), (505, 19764), (540, 18483), (549, 18180), (606, 16470), (610, 16362), (732, 13635), (810, 12322), (909, 10980), (915, 10908), (1010, 9882), (1098, 9090), (1212, 8235), (1220, 8181), (1515, 6588), (1620, 6161), (1647, 6060), (1818, 5490), (1830, 5454), (2020, 4941), (2196, 4545), (2727, 3660), (2745, 3636), (3030, 3294)]