101816120

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:254

約数の個数: 128

約数和(自身を含む): 275184000

約数和(自身を除く): 173367880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 49, 56, 70, 82, 98, 140, 164, 181, 196, 205, 245, 280, 287, 328, 343, 362, 392, 410, 490, 574, 686, 724, 820, 905, 980, 1148, 1267, 1372, 1435, 1448, 1640, 1715, 1810, 1960, 2009, 2296, 2534, 2744, 2870, 3430, 3620, 4018, 5068, 5740, 6335, 6860, 7240, 7421, 8036, 8869, 10045, 10136, 11480, 12670, 13720, 14063, 14842, 16072, 17738, 20090, 25340, 28126, 29684, 35476, 37105, 40180, 44345, 50680, 51947, 56252, 59368, 62083, 70315, 70952, 74210, 80360, 88690, 103894, 112504, 124166, 140630, 148420, 177380, 207788, 248332, 259735, 281260, 296840, 310415, 354760, 363629, 415576, 496664, 519470, 562520, 620830, 727258, 1038940, 1241660, 1454516, 1818145, 2077880, 2483320, 2545403, 2909032, 3636290, 5090806, 7272580, 10181612, 12727015, 14545160, 20363224, 25454030, 50908060, 101816120]

約数ペア:

[(1, 101816120), (2, 50908060), (4, 25454030), (5, 20363224), (7, 14545160), (8, 12727015), (10, 10181612), (14, 7272580), (20, 5090806), (28, 3636290), (35, 2909032), (40, 2545403), (41, 2483320), (49, 2077880), (56, 1818145), (70, 1454516), (82, 1241660), (98, 1038940), (140, 727258), (164, 620830), (181, 562520), (196, 519470), (205, 496664), (245, 415576), (280, 363629), (287, 354760), (328, 310415), (343, 296840), (362, 281260), (392, 259735), (410, 248332), (490, 207788), (574, 177380), (686, 148420), (724, 140630), (820, 124166), (905, 112504), (980, 103894), (1148, 88690), (1267, 80360), (1372, 74210), (1435, 70952), (1448, 70315), (1640, 62083), (1715, 59368), (1810, 56252), (1960, 51947), (2009, 50680), (2296, 44345), (2534, 40180), (2744, 37105), (2870, 35476), (3430, 29684), (3620, 28126), (4018, 25340), (5068, 20090), (5740, 17738), (6335, 16072), (6860, 14842), (7240, 14063), (7421, 13720), (8036, 12670), (8869, 11480), (10045, 10136)]