87756060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1571}}^1$

素因数の和:1616

約数の個数: 144

約数和(自身を含む): 301069440

約数和(自身を除く): 213313380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1571, 1596, 1862, 1995, 2660, 2793, 2940, 3142, 3724, 3990, 4655, 4713, 5586, 6284, 7855, 7980, 9310, 9426, 10997, 11172, 13965, 15710, 18620, 18852, 21994, 23565, 27930, 29849, 31420, 32991, 43988, 47130, 54985, 55860, 59698, 65982, 76979, 89547, 94260, 109970, 119396, 131964, 149245, 153958, 164955, 179094, 208943, 219940, 230937, 298490, 307916, 329910, 358188, 384895, 417886, 447735, 461874, 596980, 626829, 659820, 769790, 835772, 895470, 923748, 1044715, 1154685, 1253658, 1462601, 1539580, 1790940, 2089430, 2309370, 2507316, 2925202, 3134145, 4178860, 4387803, 4618740, 5850404, 6268290, 7313005, 8775606, 12536580, 14626010, 17551212, 21939015, 29252020, 43878030, 87756060]

約数ペア:

[(1, 87756060), (2, 43878030), (3, 29252020), (4, 21939015), (5, 17551212), (6, 14626010), (7, 12536580), (10, 8775606), (12, 7313005), (14, 6268290), (15, 5850404), (19, 4618740), (20, 4387803), (21, 4178860), (28, 3134145), (30, 2925202), (35, 2507316), (38, 2309370), (42, 2089430), (49, 1790940), (57, 1539580), (60, 1462601), (70, 1253658), (76, 1154685), (84, 1044715), (95, 923748), (98, 895470), (105, 835772), (114, 769790), (133, 659820), (140, 626829), (147, 596980), (190, 461874), (196, 447735), (210, 417886), (228, 384895), (245, 358188), (266, 329910), (285, 307916), (294, 298490), (380, 230937), (399, 219940), (420, 208943), (490, 179094), (532, 164955), (570, 153958), (588, 149245), (665, 131964), (735, 119396), (798, 109970), (931, 94260), (980, 89547), (1140, 76979), (1330, 65982), (1470, 59698), (1571, 55860), (1596, 54985), (1862, 47130), (1995, 43988), (2660, 32991), (2793, 31420), (2940, 29849), (3142, 27930), (3724, 23565), (3990, 21994), (4655, 18852), (4713, 18620), (5586, 15710), (6284, 13965), (7855, 11172), (7980, 10997), (9310, 9426)]