1815949242580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{7027}}^1\times {\mathrm{106787}}^1$

素因数の和:113845

約数の個数: 72

約数和(自身を含む): 4192326873504

約数和(自身を除く): 2376377630924

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 7027, 14054, 28108, 35135, 70270, 77297, 106787, 140540, 154594, 213574, 309188, 386485, 427148, 533935, 772970, 850267, 1067870, 1174657, 1545940, 1700534, 2135740, 2349314, 3401068, 4251335, 4698628, 5873285, 8502670, 11746570, 12921227, 17005340, 23493140, 25842454, 51684908, 64606135, 129212270, 258424540, 750392249, 1500784498, 3001568996, 3751961245, 7503922490, 8254314739, 15007844980, 16508629478, 33017258956, 41271573695, 82543147390, 90797462129, 165086294780, 181594924258, 363189848516, 453987310645, 907974621290, 1815949242580]

約数ペア:

[(1, 1815949242580), (2, 907974621290), (4, 453987310645), (5, 363189848516), (10, 181594924258), (11, 165086294780), (20, 90797462129), (22, 82543147390), (44, 41271573695), (55, 33017258956), (110, 16508629478), (121, 15007844980), (220, 8254314739), (242, 7503922490), (484, 3751961245), (605, 3001568996), (1210, 1500784498), (2420, 750392249), (7027, 258424540), (14054, 129212270), (28108, 64606135), (35135, 51684908), (70270, 25842454), (77297, 23493140), (106787, 17005340), (140540, 12921227), (154594, 11746570), (213574, 8502670), (309188, 5873285), (386485, 4698628), (427148, 4251335), (533935, 3401068), (772970, 2349314), (850267, 2135740), (1067870, 1700534), (1174657, 1545940)]