77931160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{61}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 192286800

約数和(自身を除く): 114355640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 61, 76, 82, 95, 122, 152, 164, 190, 205, 244, 305, 328, 380, 410, 488, 610, 760, 779, 820, 1159, 1220, 1558, 1640, 1681, 2318, 2440, 2501, 3116, 3362, 3895, 4636, 5002, 5795, 6232, 6724, 7790, 8405, 9272, 10004, 11590, 12505, 13448, 15580, 16810, 20008, 23180, 25010, 31160, 31939, 33620, 46360, 47519, 50020, 63878, 67240, 95038, 100040, 102541, 127756, 159695, 190076, 205082, 237595, 255512, 319390, 380152, 410164, 475190, 512705, 638780, 820328, 950380, 1025410, 1277560, 1900760, 1948279, 2050820, 3896558, 4101640, 7793116, 9741395, 15586232, 19482790, 38965580, 77931160]

約数ペア:

[(1, 77931160), (2, 38965580), (4, 19482790), (5, 15586232), (8, 9741395), (10, 7793116), (19, 4101640), (20, 3896558), (38, 2050820), (40, 1948279), (41, 1900760), (61, 1277560), (76, 1025410), (82, 950380), (95, 820328), (122, 638780), (152, 512705), (164, 475190), (190, 410164), (205, 380152), (244, 319390), (305, 255512), (328, 237595), (380, 205082), (410, 190076), (488, 159695), (610, 127756), (760, 102541), (779, 100040), (820, 95038), (1159, 67240), (1220, 63878), (1558, 50020), (1640, 47519), (1681, 46360), (2318, 33620), (2440, 31939), (2501, 31160), (3116, 25010), (3362, 23180), (3895, 20008), (4636, 16810), (5002, 15580), (5795, 13448), (6232, 12505), (6724, 11590), (7790, 10004), (8405, 9272)]