64970240

素因数分解:

$2^9\times 5^1\times {\mathrm{41}}^1\times {\mathrm{619}}^1$

素因数の和:683

約数の個数: 80

約数和(自身を含む): 159833520

約数和(自身を除く): 94863280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 512, 619, 640, 656, 820, 1238, 1280, 1312, 1640, 2476, 2560, 2624, 3095, 3280, 4952, 5248, 6190, 6560, 9904, 10496, 12380, 13120, 19808, 20992, 24760, 25379, 26240, 39616, 49520, 50758, 52480, 79232, 99040, 101516, 104960, 126895, 158464, 198080, 203032, 253790, 316928, 396160, 406064, 507580, 792320, 812128, 1015160, 1584640, 1624256, 2030320, 3248512, 4060640, 6497024, 8121280, 12994048, 16242560, 32485120, 64970240]

約数ペア:

[(1, 64970240), (2, 32485120), (4, 16242560), (5, 12994048), (8, 8121280), (10, 6497024), (16, 4060640), (20, 3248512), (32, 2030320), (40, 1624256), (41, 1584640), (64, 1015160), (80, 812128), (82, 792320), (128, 507580), (160, 406064), (164, 396160), (205, 316928), (256, 253790), (320, 203032), (328, 198080), (410, 158464), (512, 126895), (619, 104960), (640, 101516), (656, 99040), (820, 79232), (1238, 52480), (1280, 50758), (1312, 49520), (1640, 39616), (2476, 26240), (2560, 25379), (2624, 24760), (3095, 20992), (3280, 19808), (4952, 13120), (5248, 12380), (6190, 10496), (6560, 9904)]