65442520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{673}}^1$

素因数の和:725

約数の個数: 128

約数和(自身を含む): 183435840

約数和(自身を除く): 117993320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 17, 20, 22, 26, 34, 40, 44, 52, 55, 65, 68, 85, 88, 104, 110, 130, 136, 143, 170, 187, 220, 221, 260, 286, 340, 374, 440, 442, 520, 572, 673, 680, 715, 748, 884, 935, 1105, 1144, 1346, 1430, 1496, 1768, 1870, 2210, 2431, 2692, 2860, 3365, 3740, 4420, 4862, 5384, 5720, 6730, 7403, 7480, 8749, 8840, 9724, 11441, 12155, 13460, 14806, 17498, 19448, 22882, 24310, 26920, 29612, 34996, 37015, 43745, 45764, 48620, 57205, 59224, 69992, 74030, 87490, 91528, 96239, 97240, 114410, 125851, 148060, 148733, 174980, 192478, 228820, 251702, 296120, 297466, 349960, 384956, 457640, 481195, 503404, 594932, 629255, 743665, 769912, 962390, 1006808, 1189864, 1258510, 1487330, 1636063, 1924780, 2517020, 2974660, 3272126, 3849560, 5034040, 5949320, 6544252, 8180315, 13088504, 16360630, 32721260, 65442520]

約数ペア:

[(1, 65442520), (2, 32721260), (4, 16360630), (5, 13088504), (8, 8180315), (10, 6544252), (11, 5949320), (13, 5034040), (17, 3849560), (20, 3272126), (22, 2974660), (26, 2517020), (34, 1924780), (40, 1636063), (44, 1487330), (52, 1258510), (55, 1189864), (65, 1006808), (68, 962390), (85, 769912), (88, 743665), (104, 629255), (110, 594932), (130, 503404), (136, 481195), (143, 457640), (170, 384956), (187, 349960), (220, 297466), (221, 296120), (260, 251702), (286, 228820), (340, 192478), (374, 174980), (440, 148733), (442, 148060), (520, 125851), (572, 114410), (673, 97240), (680, 96239), (715, 91528), (748, 87490), (884, 74030), (935, 69992), (1105, 59224), (1144, 57205), (1346, 48620), (1430, 45764), (1496, 43745), (1768, 37015), (1870, 34996), (2210, 29612), (2431, 26920), (2692, 24310), (2860, 22882), (3365, 19448), (3740, 17498), (4420, 14806), (4862, 13460), (5384, 12155), (5720, 11441), (6730, 9724), (7403, 8840), (7480, 8749)]