64492960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:758

約数の個数: 96

約数和(自身を含む): 176359680

約数和(自身を除く): 111866720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 89, 112, 140, 160, 178, 224, 280, 356, 445, 560, 623, 647, 712, 890, 1120, 1246, 1294, 1424, 1780, 2492, 2588, 2848, 3115, 3235, 3560, 4529, 4984, 5176, 6230, 6470, 7120, 9058, 9968, 10352, 12460, 12940, 14240, 18116, 19936, 20704, 22645, 24920, 25880, 36232, 45290, 49840, 51760, 57583, 72464, 90580, 99680, 103520, 115166, 144928, 181160, 230332, 287915, 362320, 403081, 460664, 575830, 724640, 806162, 921328, 1151660, 1612324, 1842656, 2015405, 2303320, 3224648, 4030810, 4606640, 6449296, 8061620, 9213280, 12898592, 16123240, 32246480, 64492960]

約数ペア:

[(1, 64492960), (2, 32246480), (4, 16123240), (5, 12898592), (7, 9213280), (8, 8061620), (10, 6449296), (14, 4606640), (16, 4030810), (20, 3224648), (28, 2303320), (32, 2015405), (35, 1842656), (40, 1612324), (56, 1151660), (70, 921328), (80, 806162), (89, 724640), (112, 575830), (140, 460664), (160, 403081), (178, 362320), (224, 287915), (280, 230332), (356, 181160), (445, 144928), (560, 115166), (623, 103520), (647, 99680), (712, 90580), (890, 72464), (1120, 57583), (1246, 51760), (1294, 49840), (1424, 45290), (1780, 36232), (2492, 25880), (2588, 24920), (2848, 22645), (3115, 20704), (3235, 19936), (3560, 18116), (4529, 14240), (4984, 12940), (5176, 12460), (6230, 10352), (6470, 9968), (7120, 9058)]