40672620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 131459328

約数和(自身を除く): 90786708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 37, 45, 60, 62, 74, 90, 93, 111, 124, 148, 155, 180, 185, 186, 197, 222, 279, 310, 333, 370, 372, 394, 444, 465, 555, 558, 591, 620, 666, 740, 788, 930, 985, 1110, 1116, 1147, 1182, 1332, 1395, 1665, 1773, 1860, 1970, 2220, 2294, 2364, 2790, 2955, 3330, 3441, 3546, 3940, 4588, 5580, 5735, 5910, 6107, 6660, 6882, 7092, 7289, 8865, 10323, 11470, 11820, 12214, 13764, 14578, 17205, 17730, 18321, 20646, 21867, 22940, 24428, 29156, 30535, 34410, 35460, 36445, 36642, 41292, 43734, 51615, 54963, 61070, 65601, 68820, 72890, 73284, 87468, 91605, 103230, 109335, 109926, 122140, 131202, 145780, 183210, 206460, 218670, 219852, 225959, 262404, 274815, 328005, 366420, 437340, 451918, 549630, 656010, 677877, 903836, 1099260, 1129795, 1312020, 1355754, 2033631, 2259590, 2711508, 3389385, 4067262, 4519180, 6778770, 8134524, 10168155, 13557540, 20336310, 40672620]

約数ペア:

[(1, 40672620), (2, 20336310), (3, 13557540), (4, 10168155), (5, 8134524), (6, 6778770), (9, 4519180), (10, 4067262), (12, 3389385), (15, 2711508), (18, 2259590), (20, 2033631), (30, 1355754), (31, 1312020), (36, 1129795), (37, 1099260), (45, 903836), (60, 677877), (62, 656010), (74, 549630), (90, 451918), (93, 437340), (111, 366420), (124, 328005), (148, 274815), (155, 262404), (180, 225959), (185, 219852), (186, 218670), (197, 206460), (222, 183210), (279, 145780), (310, 131202), (333, 122140), (370, 109926), (372, 109335), (394, 103230), (444, 91605), (465, 87468), (555, 73284), (558, 72890), (591, 68820), (620, 65601), (666, 61070), (740, 54963), (788, 51615), (930, 43734), (985, 41292), (1110, 36642), (1116, 36445), (1147, 35460), (1182, 34410), (1332, 30535), (1395, 29156), (1665, 24428), (1773, 22940), (1860, 21867), (1970, 20646), (2220, 18321), (2294, 17730), (2364, 17205), (2790, 14578), (2955, 13764), (3330, 12214), (3441, 11820), (3546, 11470), (3940, 10323), (4588, 8865), (5580, 7289), (5735, 7092), (5910, 6882), (6107, 6660)]