31649670

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 92897280

約数和(自身を除く): 61247610

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 71, 78, 90, 117, 127, 130, 135, 142, 195, 213, 234, 254, 270, 351, 355, 381, 390, 426, 585, 635, 639, 702, 710, 762, 923, 1065, 1143, 1170, 1270, 1278, 1651, 1755, 1846, 1905, 1917, 2130, 2286, 2769, 3195, 3302, 3429, 3510, 3810, 3834, 4615, 4953, 5538, 5715, 6390, 6858, 8255, 8307, 9017, 9230, 9585, 9906, 11430, 13845, 14859, 16510, 16614, 17145, 18034, 19170, 24765, 24921, 27051, 27690, 29718, 34290, 41535, 44577, 45085, 49530, 49842, 54102, 74295, 81153, 83070, 89154, 90170, 117221, 124605, 135255, 148590, 162306, 222885, 234442, 243459, 249210, 270510, 351663, 405765, 445770, 486918, 586105, 703326, 811530, 1054989, 1172210, 1217295, 1758315, 2109978, 2434590, 3164967, 3516630, 5274945, 6329934, 10549890, 15824835, 31649670]

約数ペア:

[(1, 31649670), (2, 15824835), (3, 10549890), (5, 6329934), (6, 5274945), (9, 3516630), (10, 3164967), (13, 2434590), (15, 2109978), (18, 1758315), (26, 1217295), (27, 1172210), (30, 1054989), (39, 811530), (45, 703326), (54, 586105), (65, 486918), (71, 445770), (78, 405765), (90, 351663), (117, 270510), (127, 249210), (130, 243459), (135, 234442), (142, 222885), (195, 162306), (213, 148590), (234, 135255), (254, 124605), (270, 117221), (351, 90170), (355, 89154), (381, 83070), (390, 81153), (426, 74295), (585, 54102), (635, 49842), (639, 49530), (702, 45085), (710, 44577), (762, 41535), (923, 34290), (1065, 29718), (1143, 27690), (1170, 27051), (1270, 24921), (1278, 24765), (1651, 19170), (1755, 18034), (1846, 17145), (1905, 16614), (1917, 16510), (2130, 14859), (2286, 13845), (2769, 11430), (3195, 9906), (3302, 9585), (3429, 9230), (3510, 9017), (3810, 8307), (3834, 8255), (4615, 6858), (4953, 6390), (5538, 5715)]