71515920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{42569}}^1$

素因数の和:42592

約数の個数: 80

約数和(自身を含む): 253376640

約数和(自身を除く): 181860720

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, 42569, 85138, 127707, 170276, 212845, 255414, 297983, 340552, 425690, 510828, 595966, 638535, 681104, 851380, 893949, 1021656, 1191932, 1277070, 1489915, 1702760, 1787898, 2043312, 2383864, 2554140, 2979830, 3405520, 3575796, 4469745, 4767728, 5108280, 5959660, 7151592, 8939490, 10216560, 11919320, 14303184, 17878980, 23838640, 35757960, 71515920]

約数ペア:

[(1, 71515920), (2, 35757960), (3, 23838640), (4, 17878980), (5, 14303184), (6, 11919320), (7, 10216560), (8, 8939490), (10, 7151592), (12, 5959660), (14, 5108280), (15, 4767728), (16, 4469745), (20, 3575796), (21, 3405520), (24, 2979830), (28, 2554140), (30, 2383864), (35, 2043312), (40, 1787898), (42, 1702760), (48, 1489915), (56, 1277070), (60, 1191932), (70, 1021656), (80, 893949), (84, 851380), (105, 681104), (112, 638535), (120, 595966), (140, 510828), (168, 425690), (210, 340552), (240, 297983), (280, 255414), (336, 212845), (420, 170276), (560, 127707), (840, 85138), (1680, 42569)]