87778470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1301}}^1$

素因数の和:1497

約数の個数: 64

約数和(自身を含む): 228360384

約数和(自身を除く): 140581914

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 173, 195, 346, 390, 519, 865, 1038, 1301, 1730, 2249, 2595, 2602, 3903, 4498, 5190, 6505, 6747, 7806, 11245, 13010, 13494, 16913, 19515, 22490, 33735, 33826, 39030, 50739, 67470, 84565, 101478, 169130, 225073, 253695, 450146, 507390, 675219, 1125365, 1350438, 2250730, 2925949, 3376095, 5851898, 6752190, 8777847, 14629745, 17555694, 29259490, 43889235, 87778470]

約数ペア:

[(1, 87778470), (2, 43889235), (3, 29259490), (5, 17555694), (6, 14629745), (10, 8777847), (13, 6752190), (15, 5851898), (26, 3376095), (30, 2925949), (39, 2250730), (65, 1350438), (78, 1125365), (130, 675219), (173, 507390), (195, 450146), (346, 253695), (390, 225073), (519, 169130), (865, 101478), (1038, 84565), (1301, 67470), (1730, 50739), (2249, 39030), (2595, 33826), (2602, 33735), (3903, 22490), (4498, 19515), (5190, 16913), (6505, 13494), (6747, 13010), (7806, 11245)]