85376880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^2$

素因数の和:196

約数の個数: 180

約数和(自身を含む): 305683560

約数和(自身を除く): 220306680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 79, 80, 90, 95, 114, 120, 144, 152, 158, 171, 180, 190, 228, 237, 240, 285, 304, 316, 342, 360, 380, 395, 456, 474, 570, 632, 684, 711, 720, 760, 790, 855, 912, 948, 1140, 1185, 1264, 1368, 1422, 1501, 1520, 1580, 1710, 1896, 2280, 2370, 2736, 2844, 3002, 3160, 3420, 3555, 3792, 4503, 4560, 4740, 5688, 6004, 6241, 6320, 6840, 7110, 7505, 9006, 9480, 11376, 12008, 12482, 13509, 13680, 14220, 15010, 18012, 18723, 18960, 22515, 24016, 24964, 27018, 28440, 30020, 31205, 36024, 37446, 45030, 49928, 54036, 56169, 56880, 60040, 62410, 67545, 72048, 74892, 90060, 93615, 99856, 108072, 112338, 118579, 120080, 124820, 135090, 149784, 180120, 187230, 216144, 224676, 237158, 249640, 270180, 280845, 299568, 355737, 360240, 374460, 449352, 474316, 499280, 540360, 561690, 592895, 711474, 748920, 898704, 948632, 1067211, 1080720, 1123380, 1185790, 1422948, 1497840, 1778685, 1897264, 2134422, 2246760, 2371580, 2845896, 3557370, 4268844, 4493520, 4743160, 5336055, 5691792, 7114740, 8537688, 9486320, 10672110, 14229480, 17075376, 21344220, 28458960, 42688440, 85376880]

約数ペア:

[(1, 85376880), (2, 42688440), (3, 28458960), (4, 21344220), (5, 17075376), (6, 14229480), (8, 10672110), (9, 9486320), (10, 8537688), (12, 7114740), (15, 5691792), (16, 5336055), (18, 4743160), (19, 4493520), (20, 4268844), (24, 3557370), (30, 2845896), (36, 2371580), (38, 2246760), (40, 2134422), (45, 1897264), (48, 1778685), (57, 1497840), (60, 1422948), (72, 1185790), (76, 1123380), (79, 1080720), (80, 1067211), (90, 948632), (95, 898704), (114, 748920), (120, 711474), (144, 592895), (152, 561690), (158, 540360), (171, 499280), (180, 474316), (190, 449352), (228, 374460), (237, 360240), (240, 355737), (285, 299568), (304, 280845), (316, 270180), (342, 249640), (360, 237158), (380, 224676), (395, 216144), (456, 187230), (474, 180120), (570, 149784), (632, 135090), (684, 124820), (711, 120080), (720, 118579), (760, 112338), (790, 108072), (855, 99856), (912, 93615), (948, 90060), (1140, 74892), (1185, 72048), (1264, 67545), (1368, 62410), (1422, 60040), (1501, 56880), (1520, 56169), (1580, 54036), (1710, 49928), (1896, 45030), (2280, 37446), (2370, 36024), (2736, 31205), (2844, 30020), (3002, 28440), (3160, 27018), (3420, 24964), (3555, 24016), (3792, 22515), (4503, 18960), (4560, 18723), (4740, 18012), (5688, 15010), (6004, 14220), (6241, 13680), (6320, 13509), (6840, 12482), (7110, 12008), (7505, 11376), (9006, 9480)]