81885060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:407

約数の個数: 192

約数和(自身を含む): 280627200

約数和(自身を除く): 198742140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 27, 30, 36, 38, 45, 46, 54, 57, 60, 69, 76, 90, 92, 95, 108, 114, 115, 135, 138, 171, 180, 190, 207, 228, 230, 270, 276, 285, 342, 345, 347, 380, 414, 437, 460, 513, 540, 570, 621, 684, 690, 694, 828, 855, 874, 1026, 1035, 1041, 1140, 1242, 1311, 1380, 1388, 1710, 1735, 1748, 2052, 2070, 2082, 2185, 2484, 2565, 2622, 3105, 3123, 3420, 3470, 3933, 4140, 4164, 4370, 5130, 5205, 5244, 6210, 6246, 6555, 6593, 6940, 7866, 7981, 8740, 9369, 10260, 10410, 11799, 12420, 12492, 13110, 13186, 15615, 15732, 15962, 18738, 19665, 19779, 20820, 23598, 23943, 26220, 26372, 31230, 31924, 32965, 37476, 39330, 39558, 39905, 46845, 47196, 47886, 58995, 59337, 62460, 65930, 71829, 78660, 79116, 79810, 93690, 95772, 98895, 117990, 118674, 119715, 131860, 143658, 151639, 159620, 178011, 187380, 197790, 215487, 235980, 237348, 239430, 287316, 296685, 303278, 356022, 359145, 395580, 430974, 454917, 478860, 593370, 606556, 712044, 718290, 758195, 861948, 890055, 909834, 1077435, 1186740, 1364751, 1436580, 1516390, 1780110, 1819668, 2154870, 2274585, 2729502, 3032780, 3560220, 4094253, 4309740, 4549170, 5459004, 6823755, 8188506, 9098340, 13647510, 16377012, 20471265, 27295020, 40942530, 81885060]

約数ペア:

[(1, 81885060), (2, 40942530), (3, 27295020), (4, 20471265), (5, 16377012), (6, 13647510), (9, 9098340), (10, 8188506), (12, 6823755), (15, 5459004), (18, 4549170), (19, 4309740), (20, 4094253), (23, 3560220), (27, 3032780), (30, 2729502), (36, 2274585), (38, 2154870), (45, 1819668), (46, 1780110), (54, 1516390), (57, 1436580), (60, 1364751), (69, 1186740), (76, 1077435), (90, 909834), (92, 890055), (95, 861948), (108, 758195), (114, 718290), (115, 712044), (135, 606556), (138, 593370), (171, 478860), (180, 454917), (190, 430974), (207, 395580), (228, 359145), (230, 356022), (270, 303278), (276, 296685), (285, 287316), (342, 239430), (345, 237348), (347, 235980), (380, 215487), (414, 197790), (437, 187380), (460, 178011), (513, 159620), (540, 151639), (570, 143658), (621, 131860), (684, 119715), (690, 118674), (694, 117990), (828, 98895), (855, 95772), (874, 93690), (1026, 79810), (1035, 79116), (1041, 78660), (1140, 71829), (1242, 65930), (1311, 62460), (1380, 59337), (1388, 58995), (1710, 47886), (1735, 47196), (1748, 46845), (2052, 39905), (2070, 39558), (2082, 39330), (2185, 37476), (2484, 32965), (2565, 31924), (2622, 31230), (3105, 26372), (3123, 26220), (3420, 23943), (3470, 23598), (3933, 20820), (4140, 19779), (4164, 19665), (4370, 18738), (5130, 15962), (5205, 15732), (5244, 15615), (6210, 13186), (6246, 13110), (6555, 12492), (6593, 12420), (6940, 11799), (7866, 10410), (7981, 10260), (8740, 9369)]