42688440

素因数分解:

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

素因数の和:194

約数の個数: 144

約数和(自身を含む): 147911400

約数和(自身を除く): 105222960

約数列:

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

約数ペア:

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