72040780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:168

約数の個数: 144

約数和(自身を含む): 191328480

約数和(自身を除く): 119287700

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 53, 70, 73, 76, 95, 98, 106, 133, 140, 146, 190, 196, 212, 245, 265, 266, 292, 365, 371, 380, 490, 511, 530, 532, 665, 730, 742, 931, 980, 1007, 1022, 1060, 1330, 1387, 1460, 1484, 1855, 1862, 2014, 2044, 2555, 2597, 2660, 2774, 3577, 3710, 3724, 3869, 4028, 4655, 5035, 5110, 5194, 5548, 6935, 7049, 7154, 7420, 7738, 9310, 9709, 10070, 10220, 10388, 12985, 13870, 14098, 14308, 15476, 17885, 18620, 19345, 19418, 20140, 25970, 27083, 27740, 28196, 35245, 35770, 38690, 38836, 48545, 49343, 51940, 54166, 67963, 70490, 71540, 73511, 77380, 97090, 98686, 108332, 135415, 135926, 140980, 147022, 189581, 194180, 197372, 246715, 270830, 271852, 294044, 339815, 367555, 379162, 493430, 514577, 541660, 679630, 735110, 758324, 947905, 986860, 1029154, 1359260, 1470220, 1895810, 2058308, 2572885, 3602039, 3791620, 5145770, 7204078, 10291540, 14408156, 18010195, 36020390, 72040780]

約数ペア:

[(1, 72040780), (2, 36020390), (4, 18010195), (5, 14408156), (7, 10291540), (10, 7204078), (14, 5145770), (19, 3791620), (20, 3602039), (28, 2572885), (35, 2058308), (38, 1895810), (49, 1470220), (53, 1359260), (70, 1029154), (73, 986860), (76, 947905), (95, 758324), (98, 735110), (106, 679630), (133, 541660), (140, 514577), (146, 493430), (190, 379162), (196, 367555), (212, 339815), (245, 294044), (265, 271852), (266, 270830), (292, 246715), (365, 197372), (371, 194180), (380, 189581), (490, 147022), (511, 140980), (530, 135926), (532, 135415), (665, 108332), (730, 98686), (742, 97090), (931, 77380), (980, 73511), (1007, 71540), (1022, 70490), (1060, 67963), (1330, 54166), (1387, 51940), (1460, 49343), (1484, 48545), (1855, 38836), (1862, 38690), (2014, 35770), (2044, 35245), (2555, 28196), (2597, 27740), (2660, 27083), (2774, 25970), (3577, 20140), (3710, 19418), (3724, 19345), (3869, 18620), (4028, 17885), (4655, 15476), (5035, 14308), (5110, 14098), (5194, 13870), (5548, 12985), (6935, 10388), (7049, 10220), (7154, 10070), (7420, 9709), (7738, 9310)]