31316220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1487}}^1$

素因数の和:1521

約数の個数: 120

約数和(自身を含む): 105868224

約数和(自身を除く): 74552004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 1053, 1170, 1404, 1487, 1620, 1755, 2106, 2340, 2974, 3510, 4212, 4461, 5265, 5948, 7020, 7435, 8922, 10530, 13383, 14870, 17844, 19331, 21060, 22305, 26766, 29740, 38662, 40149, 44610, 53532, 57993, 66915, 77324, 80298, 89220, 96655, 115986, 120447, 133830, 160596, 173979, 193310, 200745, 231972, 240894, 267660, 289965, 347958, 386620, 401490, 481788, 521937, 579930, 602235, 695916, 802980, 869895, 1043874, 1159860, 1204470, 1565811, 1739790, 2087748, 2408940, 2609685, 3131622, 3479580, 5219370, 6263244, 7829055, 10438740, 15658110, 31316220]

約数ペア:

[(1, 31316220), (2, 15658110), (3, 10438740), (4, 7829055), (5, 6263244), (6, 5219370), (9, 3479580), (10, 3131622), (12, 2609685), (13, 2408940), (15, 2087748), (18, 1739790), (20, 1565811), (26, 1204470), (27, 1159860), (30, 1043874), (36, 869895), (39, 802980), (45, 695916), (52, 602235), (54, 579930), (60, 521937), (65, 481788), (78, 401490), (81, 386620), (90, 347958), (108, 289965), (117, 267660), (130, 240894), (135, 231972), (156, 200745), (162, 193310), (180, 173979), (195, 160596), (234, 133830), (260, 120447), (270, 115986), (324, 96655), (351, 89220), (390, 80298), (405, 77324), (468, 66915), (540, 57993), (585, 53532), (702, 44610), (780, 40149), (810, 38662), (1053, 29740), (1170, 26766), (1404, 22305), (1487, 21060), (1620, 19331), (1755, 17844), (2106, 14870), (2340, 13383), (2974, 10530), (3510, 8922), (4212, 7435), (4461, 7020), (5265, 5948)]