155201620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:222

約数の個数: 144

約数和(自身を含む): 404490240

約数和(自身を除く): 249288620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 43, 49, 58, 70, 86, 98, 116, 127, 140, 145, 172, 196, 203, 215, 245, 254, 290, 301, 406, 430, 490, 508, 580, 602, 635, 812, 860, 889, 980, 1015, 1204, 1247, 1270, 1421, 1505, 1778, 2030, 2107, 2494, 2540, 2842, 3010, 3556, 3683, 4060, 4214, 4445, 4988, 5461, 5684, 6020, 6223, 6235, 7105, 7366, 8428, 8729, 8890, 10535, 10922, 12446, 12470, 14210, 14732, 17458, 17780, 18415, 21070, 21844, 24892, 24940, 25781, 27305, 28420, 31115, 34916, 36830, 38227, 42140, 43645, 51562, 54610, 61103, 62230, 73660, 76454, 87290, 103124, 109220, 122206, 124460, 128905, 152908, 158369, 174580, 180467, 191135, 244412, 257810, 267589, 305515, 316738, 360934, 382270, 515620, 535178, 611030, 633476, 721868, 764540, 791845, 902335, 1070356, 1108583, 1222060, 1337945, 1583690, 1804670, 2217166, 2675890, 3167380, 3609340, 4434332, 5351780, 5542915, 7760081, 11085830, 15520162, 22171660, 31040324, 38800405, 77600810, 155201620]

約数ペア:

[(1, 155201620), (2, 77600810), (4, 38800405), (5, 31040324), (7, 22171660), (10, 15520162), (14, 11085830), (20, 7760081), (28, 5542915), (29, 5351780), (35, 4434332), (43, 3609340), (49, 3167380), (58, 2675890), (70, 2217166), (86, 1804670), (98, 1583690), (116, 1337945), (127, 1222060), (140, 1108583), (145, 1070356), (172, 902335), (196, 791845), (203, 764540), (215, 721868), (245, 633476), (254, 611030), (290, 535178), (301, 515620), (406, 382270), (430, 360934), (490, 316738), (508, 305515), (580, 267589), (602, 257810), (635, 244412), (812, 191135), (860, 180467), (889, 174580), (980, 158369), (1015, 152908), (1204, 128905), (1247, 124460), (1270, 122206), (1421, 109220), (1505, 103124), (1778, 87290), (2030, 76454), (2107, 73660), (2494, 62230), (2540, 61103), (2842, 54610), (3010, 51562), (3556, 43645), (3683, 42140), (4060, 38227), (4214, 36830), (4445, 34916), (4988, 31115), (5461, 28420), (5684, 27305), (6020, 25781), (6223, 24940), (6235, 24892), (7105, 21844), (7366, 21070), (8428, 18415), (8729, 17780), (8890, 17458), (10535, 14732), (10922, 14210), (12446, 12470)]