31993280

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:238

約数の個数: 112

約数和(自身を含む): 85039200

約数和(自身を除く): 53045920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 61, 64, 80, 88, 110, 122, 149, 160, 176, 220, 244, 298, 305, 320, 352, 440, 488, 596, 610, 671, 704, 745, 880, 976, 1192, 1220, 1342, 1490, 1639, 1760, 1952, 2384, 2440, 2684, 2980, 3278, 3355, 3520, 3904, 4768, 4880, 5368, 5960, 6556, 6710, 8195, 9089, 9536, 9760, 10736, 11920, 13112, 13420, 16390, 18178, 19520, 21472, 23840, 26224, 26840, 32780, 36356, 42944, 45445, 47680, 52448, 53680, 65560, 72712, 90890, 99979, 104896, 107360, 131120, 145424, 181780, 199958, 214720, 262240, 290848, 363560, 399916, 499895, 524480, 581696, 727120, 799832, 999790, 1454240, 1599664, 1999580, 2908480, 3199328, 3999160, 6398656, 7998320, 15996640, 31993280]

約数ペア:

[(1, 31993280), (2, 15996640), (4, 7998320), (5, 6398656), (8, 3999160), (10, 3199328), (11, 2908480), (16, 1999580), (20, 1599664), (22, 1454240), (32, 999790), (40, 799832), (44, 727120), (55, 581696), (61, 524480), (64, 499895), (80, 399916), (88, 363560), (110, 290848), (122, 262240), (149, 214720), (160, 199958), (176, 181780), (220, 145424), (244, 131120), (298, 107360), (305, 104896), (320, 99979), (352, 90890), (440, 72712), (488, 65560), (596, 53680), (610, 52448), (671, 47680), (704, 45445), (745, 42944), (880, 36356), (976, 32780), (1192, 26840), (1220, 26224), (1342, 23840), (1490, 21472), (1639, 19520), (1760, 18178), (1952, 16390), (2384, 13420), (2440, 13112), (2684, 11920), (2980, 10736), (3278, 9760), (3355, 9536), (3520, 9089), (3904, 8195), (4768, 6710), (4880, 6556), (5368, 5960)]