1290241010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1609}}^1$

素因数の和:1775

約数の個数: 64

約数和(自身を含む): 2535170400

約数和(自身を除く): 1244929390

約数列:

[1, 2, 5, 10, 17, 34, 53, 85, 89, 106, 170, 178, 265, 445, 530, 890, 901, 1513, 1609, 1802, 3026, 3218, 4505, 4717, 7565, 8045, 9010, 9434, 15130, 16090, 23585, 27353, 47170, 54706, 80189, 85277, 136765, 143201, 160378, 170554, 273530, 286402, 400945, 426385, 716005, 801890, 852770, 1432010, 1449709, 2434417, 2899418, 4868834, 7248545, 7589653, 12172085, 14497090, 15179306, 24344170, 37948265, 75896530, 129024101, 258048202, 645120505, 1290241010]

約数ペア:

[(1, 1290241010), (2, 645120505), (5, 258048202), (10, 129024101), (17, 75896530), (34, 37948265), (53, 24344170), (85, 15179306), (89, 14497090), (106, 12172085), (170, 7589653), (178, 7248545), (265, 4868834), (445, 2899418), (530, 2434417), (890, 1449709), (901, 1432010), (1513, 852770), (1609, 801890), (1802, 716005), (3026, 426385), (3218, 400945), (4505, 286402), (4717, 273530), (7565, 170554), (8045, 160378), (9010, 143201), (9434, 136765), (15130, 85277), (16090, 80189), (23585, 54706), (27353, 47170)]