42878640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{25523}}^1$

素因数の和:25546

約数の個数: 80

約数和(自身を含む): 151918848

約数和(自身を除く): 109040208

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, 25523, 51046, 76569, 102092, 127615, 153138, 178661, 204184, 255230, 306276, 357322, 382845, 408368, 510460, 535983, 612552, 714644, 765690, 893305, 1020920, 1071966, 1225104, 1429288, 1531380, 1786610, 2041840, 2143932, 2679915, 2858576, 3062760, 3573220, 4287864, 5359830, 6125520, 7146440, 8575728, 10719660, 14292880, 21439320, 42878640]

約数ペア:

[(1, 42878640), (2, 21439320), (3, 14292880), (4, 10719660), (5, 8575728), (6, 7146440), (7, 6125520), (8, 5359830), (10, 4287864), (12, 3573220), (14, 3062760), (15, 2858576), (16, 2679915), (20, 2143932), (21, 2041840), (24, 1786610), (28, 1531380), (30, 1429288), (35, 1225104), (40, 1071966), (42, 1020920), (48, 893305), (56, 765690), (60, 714644), (70, 612552), (80, 535983), (84, 510460), (105, 408368), (112, 382845), (120, 357322), (140, 306276), (168, 255230), (210, 204184), (240, 178661), (280, 153138), (336, 127615), (420, 102092), (560, 76569), (840, 51046), (1680, 25523)]