30820660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:425

約数の個数: 96

約数和(自身を含む): 77898240

約数和(自身を除く): 47077580

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 38, 52, 65, 68, 76, 85, 95, 130, 170, 190, 221, 247, 260, 323, 340, 367, 380, 442, 494, 646, 734, 884, 988, 1105, 1235, 1292, 1468, 1615, 1835, 2210, 2470, 3230, 3670, 4199, 4420, 4771, 4940, 6239, 6460, 6973, 7340, 8398, 9542, 12478, 13946, 16796, 19084, 20995, 23855, 24956, 27892, 31195, 34865, 41990, 47710, 62390, 69730, 81107, 83980, 90649, 95420, 118541, 124780, 139460, 162214, 181298, 237082, 324428, 362596, 405535, 453245, 474164, 592705, 811070, 906490, 1185410, 1541033, 1622140, 1812980, 2370820, 3082066, 6164132, 7705165, 15410330, 30820660]

約数ペア:

[(1, 30820660), (2, 15410330), (4, 7705165), (5, 6164132), (10, 3082066), (13, 2370820), (17, 1812980), (19, 1622140), (20, 1541033), (26, 1185410), (34, 906490), (38, 811070), (52, 592705), (65, 474164), (68, 453245), (76, 405535), (85, 362596), (95, 324428), (130, 237082), (170, 181298), (190, 162214), (221, 139460), (247, 124780), (260, 118541), (323, 95420), (340, 90649), (367, 83980), (380, 81107), (442, 69730), (494, 62390), (646, 47710), (734, 41990), (884, 34865), (988, 31195), (1105, 27892), (1235, 24956), (1292, 23855), (1468, 20995), (1615, 19084), (1835, 16796), (2210, 13946), (2470, 12478), (3230, 9542), (3670, 8398), (4199, 7340), (4420, 6973), (4771, 6460), (4940, 6239)]