68757520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3889}}^1$

素因数の和:3932

約数の個数: 80

約数和(自身を含む): 182332080

約数和(自身を除く): 113574560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 3889, 4420, 7778, 8840, 15556, 17680, 19445, 31112, 38890, 50557, 62224, 66113, 77780, 101114, 132226, 155560, 202228, 252785, 264452, 311120, 330565, 404456, 505570, 528904, 661130, 808912, 859469, 1011140, 1057808, 1322260, 1718938, 2022280, 2644520, 3437876, 4044560, 4297345, 5289040, 6875752, 8594690, 13751504, 17189380, 34378760, 68757520]

約数ペア:

[(1, 68757520), (2, 34378760), (4, 17189380), (5, 13751504), (8, 8594690), (10, 6875752), (13, 5289040), (16, 4297345), (17, 4044560), (20, 3437876), (26, 2644520), (34, 2022280), (40, 1718938), (52, 1322260), (65, 1057808), (68, 1011140), (80, 859469), (85, 808912), (104, 661130), (130, 528904), (136, 505570), (170, 404456), (208, 330565), (221, 311120), (260, 264452), (272, 252785), (340, 202228), (442, 155560), (520, 132226), (680, 101114), (884, 77780), (1040, 66113), (1105, 62224), (1360, 50557), (1768, 38890), (2210, 31112), (3536, 19445), (3889, 17680), (4420, 15556), (7778, 8840)]