67163980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:707

約数の個数: 72

約数和(自身を含む): 157901184

約数和(自身を除く): 90737204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 260, 310, 338, 403, 620, 641, 676, 806, 845, 1282, 1612, 1690, 2015, 2564, 3205, 3380, 4030, 5239, 6410, 8060, 8333, 10478, 12820, 16666, 19871, 20956, 26195, 33332, 39742, 41665, 52390, 79484, 83330, 99355, 104780, 108329, 166660, 198710, 216658, 258323, 397420, 433316, 516646, 541645, 1033292, 1083290, 1291615, 2166580, 2583230, 3358199, 5166460, 6716398, 13432796, 16790995, 33581990, 67163980]

約数ペア:

[(1, 67163980), (2, 33581990), (4, 16790995), (5, 13432796), (10, 6716398), (13, 5166460), (20, 3358199), (26, 2583230), (31, 2166580), (52, 1291615), (62, 1083290), (65, 1033292), (124, 541645), (130, 516646), (155, 433316), (169, 397420), (260, 258323), (310, 216658), (338, 198710), (403, 166660), (620, 108329), (641, 104780), (676, 99355), (806, 83330), (845, 79484), (1282, 52390), (1612, 41665), (1690, 39742), (2015, 33332), (2564, 26195), (3205, 20956), (3380, 19871), (4030, 16666), (5239, 12820), (6410, 10478), (8060, 8333)]