208692540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1861}}^1$

素因数の和:1972

約数の個数: 144

約数和(自身を含む): 731989440

約数和(自身を除く): 523296900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 89, 90, 105, 126, 140, 178, 180, 210, 252, 267, 315, 356, 420, 445, 534, 623, 630, 801, 890, 1068, 1246, 1260, 1335, 1602, 1780, 1861, 1869, 2492, 2670, 3115, 3204, 3722, 3738, 4005, 5340, 5583, 5607, 6230, 7444, 7476, 8010, 9305, 9345, 11166, 11214, 12460, 13027, 16020, 16749, 18610, 18690, 22332, 22428, 26054, 27915, 28035, 33498, 37220, 37380, 39081, 52108, 55830, 56070, 65135, 66996, 78162, 83745, 111660, 112140, 117243, 130270, 156324, 165629, 167490, 195405, 234486, 260540, 331258, 334980, 390810, 468972, 496887, 586215, 662516, 781620, 828145, 993774, 1159403, 1172430, 1490661, 1656290, 1987548, 2318806, 2344860, 2484435, 2981322, 3312580, 3478209, 4637612, 4968870, 5797015, 5962644, 6956418, 7453305, 9937740, 10434627, 11594030, 13912836, 14906610, 17391045, 20869254, 23188060, 29813220, 34782090, 41738508, 52173135, 69564180, 104346270, 208692540]

約数ペア:

[(1, 208692540), (2, 104346270), (3, 69564180), (4, 52173135), (5, 41738508), (6, 34782090), (7, 29813220), (9, 23188060), (10, 20869254), (12, 17391045), (14, 14906610), (15, 13912836), (18, 11594030), (20, 10434627), (21, 9937740), (28, 7453305), (30, 6956418), (35, 5962644), (36, 5797015), (42, 4968870), (45, 4637612), (60, 3478209), (63, 3312580), (70, 2981322), (84, 2484435), (89, 2344860), (90, 2318806), (105, 1987548), (126, 1656290), (140, 1490661), (178, 1172430), (180, 1159403), (210, 993774), (252, 828145), (267, 781620), (315, 662516), (356, 586215), (420, 496887), (445, 468972), (534, 390810), (623, 334980), (630, 331258), (801, 260540), (890, 234486), (1068, 195405), (1246, 167490), (1260, 165629), (1335, 156324), (1602, 130270), (1780, 117243), (1861, 112140), (1869, 111660), (2492, 83745), (2670, 78162), (3115, 66996), (3204, 65135), (3722, 56070), (3738, 55830), (4005, 52108), (5340, 39081), (5583, 37380), (5607, 37220), (6230, 33498), (7444, 28035), (7476, 27915), (8010, 26054), (9305, 22428), (9345, 22332), (11166, 18690), (11214, 18610), (12460, 16749), (13027, 16020)]