72775920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43319}}^1$

素因数の和:43342

約数の個数: 80

約数和(自身を含む): 257840640

約数和(自身を除く): 185064720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 43319, 86638, 129957, 173276, 216595, 259914, 303233, 346552, 433190, 519828, 606466, 649785, 693104, 866380, 909699, 1039656, 1212932, 1299570, 1516165, 1732760, 1819398, 2079312, 2425864, 2599140, 3032330, 3465520, 3638796, 4548495, 4851728, 5198280, 6064660, 7277592, 9096990, 10396560, 12129320, 14555184, 18193980, 24258640, 36387960, 72775920]

約数ペア:

[(1, 72775920), (2, 36387960), (3, 24258640), (4, 18193980), (5, 14555184), (6, 12129320), (7, 10396560), (8, 9096990), (10, 7277592), (12, 6064660), (14, 5198280), (15, 4851728), (16, 4548495), (20, 3638796), (21, 3465520), (24, 3032330), (28, 2599140), (30, 2425864), (35, 2079312), (40, 1819398), (42, 1732760), (48, 1516165), (56, 1299570), (60, 1212932), (70, 1039656), (80, 909699), (84, 866380), (105, 693104), (112, 649785), (120, 606466), (140, 519828), (168, 433190), (210, 346552), (240, 303233), (280, 259914), (336, 216595), (420, 173276), (560, 129957), (840, 86638), (1680, 43319)]