201751620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:610

約数の個数: 144

約数和(自身を含む): 662735808

約数和(自身を除く): 460984188

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 163, 196, 210, 245, 294, 326, 420, 421, 489, 490, 588, 652, 735, 815, 842, 978, 980, 1141, 1263, 1470, 1630, 1684, 1956, 2105, 2282, 2445, 2526, 2940, 2947, 3260, 3423, 4210, 4564, 4890, 5052, 5705, 5894, 6315, 6846, 7987, 8420, 8841, 9780, 11410, 11788, 12630, 13692, 14735, 15974, 17115, 17682, 20629, 22820, 23961, 25260, 29470, 31948, 34230, 35364, 39935, 41258, 44205, 47922, 58940, 61887, 68460, 68623, 79870, 82516, 88410, 95844, 103145, 119805, 123774, 137246, 159740, 176820, 205869, 206290, 239610, 247548, 274492, 309435, 343115, 411738, 412580, 479220, 480361, 618870, 686230, 823476, 960722, 1029345, 1237740, 1372460, 1441083, 1921444, 2058690, 2401805, 2882166, 3362527, 4117380, 4803610, 5764332, 6725054, 7205415, 9607220, 10087581, 13450108, 14410830, 16812635, 20175162, 28821660, 33625270, 40350324, 50437905, 67250540, 100875810, 201751620]

約数ペア:

[(1, 201751620), (2, 100875810), (3, 67250540), (4, 50437905), (5, 40350324), (6, 33625270), (7, 28821660), (10, 20175162), (12, 16812635), (14, 14410830), (15, 13450108), (20, 10087581), (21, 9607220), (28, 7205415), (30, 6725054), (35, 5764332), (42, 4803610), (49, 4117380), (60, 3362527), (70, 2882166), (84, 2401805), (98, 2058690), (105, 1921444), (140, 1441083), (147, 1372460), (163, 1237740), (196, 1029345), (210, 960722), (245, 823476), (294, 686230), (326, 618870), (420, 480361), (421, 479220), (489, 412580), (490, 411738), (588, 343115), (652, 309435), (735, 274492), (815, 247548), (842, 239610), (978, 206290), (980, 205869), (1141, 176820), (1263, 159740), (1470, 137246), (1630, 123774), (1684, 119805), (1956, 103145), (2105, 95844), (2282, 88410), (2445, 82516), (2526, 79870), (2940, 68623), (2947, 68460), (3260, 61887), (3423, 58940), (4210, 47922), (4564, 44205), (4890, 41258), (5052, 39935), (5705, 35364), (5894, 34230), (6315, 31948), (6846, 29470), (7987, 25260), (8420, 23961), (8841, 22820), (9780, 20629), (11410, 17682), (11788, 17115), (12630, 15974), (13692, 14735)]