31460040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2819}}^1$

素因数の和:2867

約数の個数: 96

約数和(自身を含む): 105580800

約数和(自身を除く): 74120760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 2819, 3720, 5580, 5638, 8457, 11160, 11276, 14095, 16914, 22552, 25371, 28190, 33828, 42285, 50742, 56380, 67656, 84570, 87389, 101484, 112760, 126855, 169140, 174778, 202968, 253710, 262167, 338280, 349556, 436945, 507420, 524334, 699112, 786501, 873890, 1014840, 1048668, 1310835, 1573002, 1747780, 2097336, 2621670, 3146004, 3495560, 3932505, 5243340, 6292008, 7865010, 10486680, 15730020, 31460040]

約数ペア:

[(1, 31460040), (2, 15730020), (3, 10486680), (4, 7865010), (5, 6292008), (6, 5243340), (8, 3932505), (9, 3495560), (10, 3146004), (12, 2621670), (15, 2097336), (18, 1747780), (20, 1573002), (24, 1310835), (30, 1048668), (31, 1014840), (36, 873890), (40, 786501), (45, 699112), (60, 524334), (62, 507420), (72, 436945), (90, 349556), (93, 338280), (120, 262167), (124, 253710), (155, 202968), (180, 174778), (186, 169140), (248, 126855), (279, 112760), (310, 101484), (360, 87389), (372, 84570), (465, 67656), (558, 56380), (620, 50742), (744, 42285), (930, 33828), (1116, 28190), (1240, 25371), (1395, 22552), (1860, 16914), (2232, 14095), (2790, 11276), (2819, 11160), (3720, 8457), (5580, 5638)]