31262580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 100835280

約数和(自身を除く): 69572700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 53, 58, 60, 87, 90, 106, 113, 116, 145, 159, 174, 180, 212, 226, 261, 265, 290, 318, 339, 348, 435, 452, 477, 522, 530, 565, 580, 636, 678, 795, 870, 954, 1017, 1044, 1060, 1130, 1305, 1356, 1537, 1590, 1695, 1740, 1908, 2034, 2260, 2385, 2610, 3074, 3180, 3277, 3390, 4068, 4611, 4770, 5085, 5220, 5989, 6148, 6554, 6780, 7685, 9222, 9540, 9831, 10170, 11978, 13108, 13833, 15370, 16385, 17967, 18444, 19662, 20340, 23055, 23956, 27666, 29493, 29945, 30740, 32770, 35934, 39324, 46110, 49155, 53901, 55332, 58986, 59890, 65540, 69165, 71868, 89835, 92220, 98310, 107802, 117972, 119780, 138330, 147465, 173681, 179670, 196620, 215604, 269505, 276660, 294930, 347362, 359340, 521043, 539010, 589860, 694724, 868405, 1042086, 1078020, 1563129, 1736810, 2084172, 2605215, 3126258, 3473620, 5210430, 6252516, 7815645, 10420860, 15631290, 31262580]

約数ペア:

[(1, 31262580), (2, 15631290), (3, 10420860), (4, 7815645), (5, 6252516), (6, 5210430), (9, 3473620), (10, 3126258), (12, 2605215), (15, 2084172), (18, 1736810), (20, 1563129), (29, 1078020), (30, 1042086), (36, 868405), (45, 694724), (53, 589860), (58, 539010), (60, 521043), (87, 359340), (90, 347362), (106, 294930), (113, 276660), (116, 269505), (145, 215604), (159, 196620), (174, 179670), (180, 173681), (212, 147465), (226, 138330), (261, 119780), (265, 117972), (290, 107802), (318, 98310), (339, 92220), (348, 89835), (435, 71868), (452, 69165), (477, 65540), (522, 59890), (530, 58986), (565, 55332), (580, 53901), (636, 49155), (678, 46110), (795, 39324), (870, 35934), (954, 32770), (1017, 30740), (1044, 29945), (1060, 29493), (1130, 27666), (1305, 23956), (1356, 23055), (1537, 20340), (1590, 19662), (1695, 18444), (1740, 17967), (1908, 16385), (2034, 15370), (2260, 13833), (2385, 13108), (2610, 11978), (3074, 10170), (3180, 9831), (3277, 9540), (3390, 9222), (4068, 7685), (4611, 6780), (4770, 6554), (5085, 6148), (5220, 5989)]