161986880

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2707}}^1$

素因数の和:2752

約数の個数: 112

約数和(自身を含む): 445715136

約数和(自身を除く): 283728256

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 320, 340, 352, 374, 440, 544, 680, 704, 748, 880, 935, 1088, 1360, 1496, 1760, 1870, 2707, 2720, 2992, 3520, 3740, 5414, 5440, 5984, 7480, 10828, 11968, 13535, 14960, 21656, 27070, 29777, 29920, 43312, 46019, 54140, 59554, 59840, 86624, 92038, 108280, 119108, 148885, 173248, 184076, 216560, 230095, 238216, 297770, 368152, 433120, 460190, 476432, 506209, 595540, 736304, 866240, 920380, 952864, 1012418, 1191080, 1472608, 1840760, 1905728, 2024836, 2382160, 2531045, 2945216, 3681520, 4049672, 4764320, 5062090, 7363040, 8099344, 9528640, 10124180, 14726080, 16198688, 20248360, 32397376, 40496720, 80993440, 161986880]

約数ペア:

[(1, 161986880), (2, 80993440), (4, 40496720), (5, 32397376), (8, 20248360), (10, 16198688), (11, 14726080), (16, 10124180), (17, 9528640), (20, 8099344), (22, 7363040), (32, 5062090), (34, 4764320), (40, 4049672), (44, 3681520), (55, 2945216), (64, 2531045), (68, 2382160), (80, 2024836), (85, 1905728), (88, 1840760), (110, 1472608), (136, 1191080), (160, 1012418), (170, 952864), (176, 920380), (187, 866240), (220, 736304), (272, 595540), (320, 506209), (340, 476432), (352, 460190), (374, 433120), (440, 368152), (544, 297770), (680, 238216), (704, 230095), (748, 216560), (880, 184076), (935, 173248), (1088, 148885), (1360, 119108), (1496, 108280), (1760, 92038), (1870, 86624), (2707, 59840), (2720, 59554), (2992, 54140), (3520, 46019), (3740, 43312), (5414, 29920), (5440, 29777), (5984, 27070), (7480, 21656), (10828, 14960), (11968, 13535)]