72107560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 195022080

約数和(自身を除く): 122914520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 53, 56, 70, 86, 106, 113, 140, 172, 212, 215, 226, 265, 280, 301, 344, 371, 424, 430, 452, 530, 565, 602, 742, 791, 860, 904, 1060, 1130, 1204, 1484, 1505, 1582, 1720, 1855, 2120, 2260, 2279, 2408, 2968, 3010, 3164, 3710, 3955, 4520, 4558, 4859, 5989, 6020, 6328, 7420, 7910, 9116, 9718, 11395, 11978, 12040, 14840, 15820, 15953, 18232, 19436, 22790, 23956, 24295, 29945, 31640, 31906, 34013, 38872, 41923, 45580, 47912, 48590, 59890, 63812, 68026, 79765, 83846, 91160, 97180, 119780, 127624, 136052, 159530, 167692, 170065, 194360, 209615, 239560, 257527, 272104, 319060, 335384, 340130, 419230, 515054, 638120, 680260, 838460, 1030108, 1287635, 1360520, 1676920, 1802689, 2060216, 2575270, 3605378, 5150540, 7210756, 9013445, 10301080, 14421512, 18026890, 36053780, 72107560]

約数ペア:

[(1, 72107560), (2, 36053780), (4, 18026890), (5, 14421512), (7, 10301080), (8, 9013445), (10, 7210756), (14, 5150540), (20, 3605378), (28, 2575270), (35, 2060216), (40, 1802689), (43, 1676920), (53, 1360520), (56, 1287635), (70, 1030108), (86, 838460), (106, 680260), (113, 638120), (140, 515054), (172, 419230), (212, 340130), (215, 335384), (226, 319060), (265, 272104), (280, 257527), (301, 239560), (344, 209615), (371, 194360), (424, 170065), (430, 167692), (452, 159530), (530, 136052), (565, 127624), (602, 119780), (742, 97180), (791, 91160), (860, 83846), (904, 79765), (1060, 68026), (1130, 63812), (1204, 59890), (1484, 48590), (1505, 47912), (1582, 45580), (1720, 41923), (1855, 38872), (2120, 34013), (2260, 31906), (2279, 31640), (2408, 29945), (2968, 24295), (3010, 23956), (3164, 22790), (3710, 19436), (3955, 18232), (4520, 15953), (4558, 15820), (4859, 14840), (5989, 12040), (6020, 11978), (6328, 11395), (7420, 9718), (7910, 9116)]