68907420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:332

約数の個数: 144

約数和(自身を含む): 220776192

約数和(自身を除く): 151868772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 53, 60, 62, 90, 93, 106, 124, 155, 159, 180, 186, 212, 233, 265, 279, 310, 318, 372, 465, 466, 477, 530, 558, 620, 636, 699, 795, 930, 932, 954, 1060, 1116, 1165, 1395, 1398, 1590, 1643, 1860, 1908, 2097, 2330, 2385, 2790, 2796, 3180, 3286, 3495, 4194, 4660, 4770, 4929, 5580, 6572, 6990, 7223, 8215, 8388, 9540, 9858, 10485, 12349, 13980, 14446, 14787, 16430, 19716, 20970, 21669, 24645, 24698, 28892, 29574, 32860, 36115, 37047, 41940, 43338, 49290, 49396, 59148, 61745, 65007, 72230, 73935, 74094, 86676, 98580, 108345, 111141, 123490, 130014, 144460, 147870, 148188, 185235, 216690, 222282, 246980, 260028, 295740, 325035, 370470, 382819, 433380, 444564, 555705, 650070, 740940, 765638, 1111410, 1148457, 1300140, 1531276, 1914095, 2222820, 2296914, 3445371, 3828190, 4593828, 5742285, 6890742, 7656380, 11484570, 13781484, 17226855, 22969140, 34453710, 68907420]

約数ペア:

[(1, 68907420), (2, 34453710), (3, 22969140), (4, 17226855), (5, 13781484), (6, 11484570), (9, 7656380), (10, 6890742), (12, 5742285), (15, 4593828), (18, 3828190), (20, 3445371), (30, 2296914), (31, 2222820), (36, 1914095), (45, 1531276), (53, 1300140), (60, 1148457), (62, 1111410), (90, 765638), (93, 740940), (106, 650070), (124, 555705), (155, 444564), (159, 433380), (180, 382819), (186, 370470), (212, 325035), (233, 295740), (265, 260028), (279, 246980), (310, 222282), (318, 216690), (372, 185235), (465, 148188), (466, 147870), (477, 144460), (530, 130014), (558, 123490), (620, 111141), (636, 108345), (699, 98580), (795, 86676), (930, 74094), (932, 73935), (954, 72230), (1060, 65007), (1116, 61745), (1165, 59148), (1395, 49396), (1398, 49290), (1590, 43338), (1643, 41940), (1860, 37047), (1908, 36115), (2097, 32860), (2330, 29574), (2385, 28892), (2790, 24698), (2796, 24645), (3180, 21669), (3286, 20970), (3495, 19716), (4194, 16430), (4660, 14787), (4770, 14446), (4929, 13980), (5580, 12349), (6572, 10485), (6990, 9858), (7223, 9540), (8215, 8388)]