91380880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{761}}^1$

素因数の和:872

約数の個数: 80

約数和(自身を含む): 226771200

約数和(自身を除く): 135390320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 79, 80, 95, 152, 158, 190, 304, 316, 380, 395, 632, 760, 761, 790, 1264, 1501, 1520, 1522, 1580, 3002, 3044, 3160, 3805, 6004, 6088, 6320, 7505, 7610, 12008, 12176, 14459, 15010, 15220, 24016, 28918, 30020, 30440, 57836, 60040, 60119, 60880, 72295, 115672, 120080, 120238, 144590, 231344, 240476, 289180, 300595, 480952, 578360, 601190, 961904, 1142261, 1156720, 1202380, 2284522, 2404760, 4569044, 4809520, 5711305, 9138088, 11422610, 18276176, 22845220, 45690440, 91380880]

約数ペア:

[(1, 91380880), (2, 45690440), (4, 22845220), (5, 18276176), (8, 11422610), (10, 9138088), (16, 5711305), (19, 4809520), (20, 4569044), (38, 2404760), (40, 2284522), (76, 1202380), (79, 1156720), (80, 1142261), (95, 961904), (152, 601190), (158, 578360), (190, 480952), (304, 300595), (316, 289180), (380, 240476), (395, 231344), (632, 144590), (760, 120238), (761, 120080), (790, 115672), (1264, 72295), (1501, 60880), (1520, 60119), (1522, 60040), (1580, 57836), (3002, 30440), (3044, 30020), (3160, 28918), (3805, 24016), (6004, 15220), (6088, 15010), (6320, 14459), (7505, 12176), (7610, 12008)]