31949460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:282

約数の個数: 144

約数和(自身を含む): 105080976

約数和(自身を除く): 73131516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 53, 60, 68, 85, 90, 102, 106, 153, 159, 170, 180, 197, 204, 212, 255, 265, 306, 318, 340, 394, 477, 510, 530, 591, 612, 636, 765, 788, 795, 901, 954, 985, 1020, 1060, 1182, 1530, 1590, 1773, 1802, 1908, 1970, 2364, 2385, 2703, 2955, 3060, 3180, 3349, 3546, 3604, 3940, 4505, 4770, 5406, 5910, 6698, 7092, 8109, 8865, 9010, 9540, 10047, 10441, 10812, 11820, 13396, 13515, 16218, 16745, 17730, 18020, 20094, 20882, 27030, 30141, 31323, 32436, 33490, 35460, 40188, 40545, 41764, 50235, 52205, 54060, 60282, 62646, 66980, 81090, 93969, 100470, 104410, 120564, 125292, 150705, 156615, 162180, 177497, 187938, 200940, 208820, 301410, 313230, 354994, 375876, 469845, 532491, 602820, 626460, 709988, 887485, 939690, 1064982, 1597473, 1774970, 1879380, 2129964, 2662455, 3194946, 3549940, 5324910, 6389892, 7987365, 10649820, 15974730, 31949460]

約数ペア:

[(1, 31949460), (2, 15974730), (3, 10649820), (4, 7987365), (5, 6389892), (6, 5324910), (9, 3549940), (10, 3194946), (12, 2662455), (15, 2129964), (17, 1879380), (18, 1774970), (20, 1597473), (30, 1064982), (34, 939690), (36, 887485), (45, 709988), (51, 626460), (53, 602820), (60, 532491), (68, 469845), (85, 375876), (90, 354994), (102, 313230), (106, 301410), (153, 208820), (159, 200940), (170, 187938), (180, 177497), (197, 162180), (204, 156615), (212, 150705), (255, 125292), (265, 120564), (306, 104410), (318, 100470), (340, 93969), (394, 81090), (477, 66980), (510, 62646), (530, 60282), (591, 54060), (612, 52205), (636, 50235), (765, 41764), (788, 40545), (795, 40188), (901, 35460), (954, 33490), (985, 32436), (1020, 31323), (1060, 30141), (1182, 27030), (1530, 20882), (1590, 20094), (1773, 18020), (1802, 17730), (1908, 16745), (1970, 16218), (2364, 13515), (2385, 13396), (2703, 11820), (2955, 10812), (3060, 10441), (3180, 10047), (3349, 9540), (3546, 9010), (3604, 8865), (3940, 8109), (4505, 7092), (4770, 6698), (5406, 5910)]