65315320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2621}}^1$

素因数の和:2728

約数の個数: 64

約数和(自身を含む): 169905600

約数和(自身を除く): 104590280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 2621, 3115, 3560, 4984, 5242, 6230, 10484, 12460, 13105, 18347, 20968, 24920, 26210, 36694, 52420, 73388, 91735, 104840, 146776, 183470, 233269, 366940, 466538, 733880, 933076, 1166345, 1632883, 1866152, 2332690, 3265766, 4665380, 6531532, 8164415, 9330760, 13063064, 16328830, 32657660, 65315320]

約数ペア:

[(1, 65315320), (2, 32657660), (4, 16328830), (5, 13063064), (7, 9330760), (8, 8164415), (10, 6531532), (14, 4665380), (20, 3265766), (28, 2332690), (35, 1866152), (40, 1632883), (56, 1166345), (70, 933076), (89, 733880), (140, 466538), (178, 366940), (280, 233269), (356, 183470), (445, 146776), (623, 104840), (712, 91735), (890, 73388), (1246, 52420), (1780, 36694), (2492, 26210), (2621, 24920), (3115, 20968), (3560, 18347), (4984, 13105), (5242, 12460), (6230, 10484)]