65610880

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3307}}^1$

素因数の和:3357

約数の個数: 64

約数和(自身を含む): 161959680

約数和(自身を除く): 96348800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3307, 3968, 4960, 6614, 9920, 13228, 16535, 19840, 26456, 33070, 52912, 66140, 102517, 105824, 132280, 205034, 211648, 264560, 410068, 423296, 512585, 529120, 820136, 1025170, 1058240, 1640272, 2050340, 2116480, 3280544, 4100680, 6561088, 8201360, 13122176, 16402720, 32805440, 65610880]

約数ペア:

[(1, 65610880), (2, 32805440), (4, 16402720), (5, 13122176), (8, 8201360), (10, 6561088), (16, 4100680), (20, 3280544), (31, 2116480), (32, 2050340), (40, 1640272), (62, 1058240), (64, 1025170), (80, 820136), (124, 529120), (128, 512585), (155, 423296), (160, 410068), (248, 264560), (310, 211648), (320, 205034), (496, 132280), (620, 105824), (640, 102517), (992, 66140), (1240, 52912), (1984, 33070), (2480, 26456), (3307, 19840), (3968, 16535), (4960, 13228), (6614, 9920)]