71776240

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 173738880

約数和(自身を除く): 101962640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 79, 80, 82, 158, 164, 205, 277, 316, 328, 395, 410, 554, 632, 656, 790, 820, 1108, 1264, 1385, 1580, 1640, 2216, 2770, 3160, 3239, 3280, 4432, 5540, 6320, 6478, 11080, 11357, 12956, 16195, 21883, 22160, 22714, 25912, 32390, 43766, 45428, 51824, 56785, 64780, 87532, 90856, 109415, 113570, 129560, 175064, 181712, 218830, 227140, 259120, 350128, 437660, 454280, 875320, 897203, 908560, 1750640, 1794406, 3588812, 4486015, 7177624, 8972030, 14355248, 17944060, 35888120, 71776240]

約数ペア:

[(1, 71776240), (2, 35888120), (4, 17944060), (5, 14355248), (8, 8972030), (10, 7177624), (16, 4486015), (20, 3588812), (40, 1794406), (41, 1750640), (79, 908560), (80, 897203), (82, 875320), (158, 454280), (164, 437660), (205, 350128), (277, 259120), (316, 227140), (328, 218830), (395, 181712), (410, 175064), (554, 129560), (632, 113570), (656, 109415), (790, 90856), (820, 87532), (1108, 64780), (1264, 56785), (1385, 51824), (1580, 45428), (1640, 43766), (2216, 32390), (2770, 25912), (3160, 22714), (3239, 22160), (3280, 21883), (4432, 16195), (5540, 12956), (6320, 11357), (6478, 11080)]