201558420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{461}}^1$

素因数の和:830

約数の個数: 144

約数和(自身を含む): 702269568

約数和(自身を除く): 500711148

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, 90, 105, 126, 140, 180, 210, 252, 315, 347, 420, 461, 630, 694, 922, 1041, 1260, 1383, 1388, 1735, 1844, 2082, 2305, 2429, 2766, 3123, 3227, 3470, 4149, 4164, 4610, 4858, 5205, 5532, 6246, 6454, 6915, 6940, 7287, 8298, 9220, 9681, 9716, 10410, 12145, 12492, 12908, 13830, 14574, 15615, 16135, 16596, 19362, 20745, 20820, 21861, 24290, 27660, 29043, 29148, 31230, 32270, 36435, 38724, 41490, 43722, 48405, 48580, 58086, 62460, 64540, 72870, 82980, 87444, 96810, 109305, 116172, 145215, 145740, 159967, 193620, 218610, 290430, 319934, 437220, 479901, 580860, 639868, 799835, 959802, 1119769, 1439703, 1599670, 1919604, 2239538, 2399505, 2879406, 3199340, 3359307, 4479076, 4799010, 5598845, 5758812, 6718614, 7198515, 9598020, 10077921, 11197690, 13437228, 14397030, 16796535, 20155842, 22395380, 28794060, 33593070, 40311684, 50389605, 67186140, 100779210, 201558420]

約数ペア:

[(1, 201558420), (2, 100779210), (3, 67186140), (4, 50389605), (5, 40311684), (6, 33593070), (7, 28794060), (9, 22395380), (10, 20155842), (12, 16796535), (14, 14397030), (15, 13437228), (18, 11197690), (20, 10077921), (21, 9598020), (28, 7198515), (30, 6718614), (35, 5758812), (36, 5598845), (42, 4799010), (45, 4479076), (60, 3359307), (63, 3199340), (70, 2879406), (84, 2399505), (90, 2239538), (105, 1919604), (126, 1599670), (140, 1439703), (180, 1119769), (210, 959802), (252, 799835), (315, 639868), (347, 580860), (420, 479901), (461, 437220), (630, 319934), (694, 290430), (922, 218610), (1041, 193620), (1260, 159967), (1383, 145740), (1388, 145215), (1735, 116172), (1844, 109305), (2082, 96810), (2305, 87444), (2429, 82980), (2766, 72870), (3123, 64540), (3227, 62460), (3470, 58086), (4149, 48580), (4164, 48405), (4610, 43722), (4858, 41490), (5205, 38724), (5532, 36435), (6246, 32270), (6454, 31230), (6915, 29148), (6940, 29043), (7287, 27660), (8298, 24290), (9220, 21861), (9681, 20820), (9716, 20745), (10410, 19362), (12145, 16596), (12492, 16135), (12908, 15615), (13830, 14574)]