221580528

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{15439}}^1$

素因数の和:15486

約数の個数: 80

約数和(自身を含む): 643292160

約数和(自身を除く): 421711632

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 39, 46, 48, 52, 69, 78, 92, 104, 138, 156, 184, 208, 276, 299, 312, 368, 552, 598, 624, 897, 1104, 1196, 1794, 2392, 3588, 4784, 7176, 14352, 15439, 30878, 46317, 61756, 92634, 123512, 185268, 200707, 247024, 355097, 370536, 401414, 602121, 710194, 741072, 802828, 1065291, 1204242, 1420388, 1605656, 2130582, 2408484, 2840776, 3211312, 4261164, 4616261, 4816968, 5681552, 8522328, 9232522, 9633936, 13848783, 17044656, 18465044, 27697566, 36930088, 55395132, 73860176, 110790264, 221580528]

約数ペア:

[(1, 221580528), (2, 110790264), (3, 73860176), (4, 55395132), (6, 36930088), (8, 27697566), (12, 18465044), (13, 17044656), (16, 13848783), (23, 9633936), (24, 9232522), (26, 8522328), (39, 5681552), (46, 4816968), (48, 4616261), (52, 4261164), (69, 3211312), (78, 2840776), (92, 2408484), (104, 2130582), (138, 1605656), (156, 1420388), (184, 1204242), (208, 1065291), (276, 802828), (299, 741072), (312, 710194), (368, 602121), (552, 401414), (598, 370536), (624, 355097), (897, 247024), (1104, 200707), (1196, 185268), (1794, 123512), (2392, 92634), (3588, 61756), (4784, 46317), (7176, 30878), (14352, 15439)]