15915698890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{180307}}^1$

素因数の和:180431

約数の個数: 64

約数和(自身を含む): 35623090944

約数和(自身を除く): 19707392054

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 97, 130, 182, 194, 455, 485, 679, 910, 970, 1261, 1358, 2522, 3395, 6305, 6790, 8827, 12610, 17654, 44135, 88270, 180307, 360614, 901535, 1262149, 1803070, 2343991, 2524298, 4687982, 6310745, 11719955, 12621490, 16407937, 17489779, 23439910, 32815874, 34979558, 82039685, 87448895, 122428453, 164079370, 174897790, 227367127, 244856906, 454734254, 612142265, 1136835635, 1224284530, 1591569889, 2273671270, 3183139778, 7957849445, 15915698890]

約数ペア:

[(1, 15915698890), (2, 7957849445), (5, 3183139778), (7, 2273671270), (10, 1591569889), (13, 1224284530), (14, 1136835635), (26, 612142265), (35, 454734254), (65, 244856906), (70, 227367127), (91, 174897790), (97, 164079370), (130, 122428453), (182, 87448895), (194, 82039685), (455, 34979558), (485, 32815874), (679, 23439910), (910, 17489779), (970, 16407937), (1261, 12621490), (1358, 11719955), (2522, 6310745), (3395, 4687982), (6305, 2524298), (6790, 2343991), (8827, 1803070), (12610, 1262149), (17654, 901535), (44135, 360614), (88270, 180307)]