64525140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{331}}^1$

素因数の和:387

約数の個数: 144

約数和(自身を含む): 212506560

約数和(自身を除く): 147981420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 331, 342, 361, 380, 513, 540, 570, 662, 684, 722, 855, 993, 1026, 1083, 1140, 1324, 1444, 1655, 1710, 1805, 1986, 2052, 2166, 2565, 2979, 3249, 3310, 3420, 3610, 3972, 4332, 4965, 5130, 5415, 5958, 6289, 6498, 6620, 7220, 8937, 9747, 9930, 10260, 10830, 11916, 12578, 12996, 14895, 16245, 17874, 18867, 19494, 19860, 21660, 25156, 29790, 31445, 32490, 35748, 37734, 38988, 44685, 48735, 56601, 59580, 62890, 64980, 75468, 89370, 94335, 97470, 113202, 119491, 125780, 169803, 178740, 188670, 194940, 226404, 238982, 283005, 339606, 358473, 377340, 477964, 566010, 597455, 679212, 716946, 849015, 1075419, 1132020, 1194910, 1433892, 1698030, 1792365, 2150838, 2389820, 3226257, 3396060, 3584730, 4301676, 5377095, 6452514, 7169460, 10754190, 12905028, 16131285, 21508380, 32262570, 64525140]

約数ペア:

[(1, 64525140), (2, 32262570), (3, 21508380), (4, 16131285), (5, 12905028), (6, 10754190), (9, 7169460), (10, 6452514), (12, 5377095), (15, 4301676), (18, 3584730), (19, 3396060), (20, 3226257), (27, 2389820), (30, 2150838), (36, 1792365), (38, 1698030), (45, 1433892), (54, 1194910), (57, 1132020), (60, 1075419), (76, 849015), (90, 716946), (95, 679212), (108, 597455), (114, 566010), (135, 477964), (171, 377340), (180, 358473), (190, 339606), (228, 283005), (270, 238982), (285, 226404), (331, 194940), (342, 188670), (361, 178740), (380, 169803), (513, 125780), (540, 119491), (570, 113202), (662, 97470), (684, 94335), (722, 89370), (855, 75468), (993, 64980), (1026, 62890), (1083, 59580), (1140, 56601), (1324, 48735), (1444, 44685), (1655, 38988), (1710, 37734), (1805, 35748), (1986, 32490), (2052, 31445), (2166, 29790), (2565, 25156), (2979, 21660), (3249, 19860), (3310, 19494), (3420, 18867), (3610, 17874), (3972, 16245), (4332, 14895), (4965, 12996), (5130, 12578), (5415, 11916), (5958, 10830), (6289, 10260), (6498, 9930), (6620, 9747), (7220, 8937)]