259934640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{154723}}^1$

素因数の和:154746

約数の個数: 80

約数和(自身を含む): 920917248

約数和(自身を除く): 660982608

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, 154723, 309446, 464169, 618892, 773615, 928338, 1083061, 1237784, 1547230, 1856676, 2166122, 2320845, 2475568, 3094460, 3249183, 3713352, 4332244, 4641690, 5415305, 6188920, 6498366, 7426704, 8664488, 9283380, 10830610, 12377840, 12996732, 16245915, 17328976, 18566760, 21661220, 25993464, 32491830, 37133520, 43322440, 51986928, 64983660, 86644880, 129967320, 259934640]

約数ペア:

[(1, 259934640), (2, 129967320), (3, 86644880), (4, 64983660), (5, 51986928), (6, 43322440), (7, 37133520), (8, 32491830), (10, 25993464), (12, 21661220), (14, 18566760), (15, 17328976), (16, 16245915), (20, 12996732), (21, 12377840), (24, 10830610), (28, 9283380), (30, 8664488), (35, 7426704), (40, 6498366), (42, 6188920), (48, 5415305), (56, 4641690), (60, 4332244), (70, 3713352), (80, 3249183), (84, 3094460), (105, 2475568), (112, 2320845), (120, 2166122), (140, 1856676), (168, 1547230), (210, 1237784), (240, 1083061), (280, 928338), (336, 773615), (420, 618892), (560, 464169), (840, 309446), (1680, 154723)]