641732144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{967}}^1$

素因数の和:1090

約数の個数: 80

約数和(自身を含む): 1368364800

約数和(自身を除く): 726632656

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 59, 74, 76, 118, 148, 152, 236, 296, 304, 472, 592, 703, 944, 967, 1121, 1406, 1934, 2183, 2242, 2812, 3868, 4366, 4484, 5624, 7736, 8732, 8968, 11248, 15472, 17464, 17936, 18373, 34928, 35779, 36746, 41477, 57053, 71558, 73492, 82954, 114106, 143116, 146984, 165908, 228212, 286232, 293968, 331816, 456424, 572464, 663632, 679801, 912848, 1084007, 1359602, 2110961, 2168014, 2719204, 4221922, 4336028, 5438408, 8443844, 8672056, 10876816, 16887688, 17344112, 33775376, 40108259, 80216518, 160433036, 320866072, 641732144]

約数ペア:

[(1, 641732144), (2, 320866072), (4, 160433036), (8, 80216518), (16, 40108259), (19, 33775376), (37, 17344112), (38, 16887688), (59, 10876816), (74, 8672056), (76, 8443844), (118, 5438408), (148, 4336028), (152, 4221922), (236, 2719204), (296, 2168014), (304, 2110961), (472, 1359602), (592, 1084007), (703, 912848), (944, 679801), (967, 663632), (1121, 572464), (1406, 456424), (1934, 331816), (2183, 293968), (2242, 286232), (2812, 228212), (3868, 165908), (4366, 146984), (4484, 143116), (5624, 114106), (7736, 82954), (8732, 73492), (8968, 71558), (11248, 57053), (15472, 41477), (17464, 36746), (17936, 35779), (18373, 34928)]