87958640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:271

約数の個数: 160

約数和(自身を含む): 259269120

約数和(自身を除く): 171310480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 109, 110, 112, 131, 140, 154, 176, 218, 220, 262, 280, 308, 385, 436, 440, 524, 545, 560, 616, 655, 763, 770, 872, 880, 917, 1048, 1090, 1199, 1232, 1310, 1441, 1526, 1540, 1744, 1834, 2096, 2180, 2398, 2620, 2882, 3052, 3080, 3668, 3815, 4360, 4585, 4796, 5240, 5764, 5995, 6104, 6160, 7205, 7336, 7630, 8393, 8720, 9170, 9592, 10087, 10480, 11528, 11990, 12208, 14279, 14410, 14672, 15260, 16786, 18340, 19184, 20174, 23056, 23980, 28558, 28820, 30520, 33572, 36680, 40348, 41965, 47960, 50435, 57116, 57640, 61040, 67144, 71395, 73360, 80696, 83930, 95920, 99953, 100870, 114232, 115280, 134288, 142790, 157069, 161392, 167860, 199906, 201740, 228464, 285580, 314138, 335720, 399812, 403480, 499765, 571160, 628276, 671440, 785345, 799624, 806960, 999530, 1099483, 1142320, 1256552, 1570690, 1599248, 1999060, 2198966, 2513104, 3141380, 3998120, 4397932, 5497415, 6282760, 7996240, 8795864, 10994830, 12565520, 17591728, 21989660, 43979320, 87958640]

約数ペア:

[(1, 87958640), (2, 43979320), (4, 21989660), (5, 17591728), (7, 12565520), (8, 10994830), (10, 8795864), (11, 7996240), (14, 6282760), (16, 5497415), (20, 4397932), (22, 3998120), (28, 3141380), (35, 2513104), (40, 2198966), (44, 1999060), (55, 1599248), (56, 1570690), (70, 1256552), (77, 1142320), (80, 1099483), (88, 999530), (109, 806960), (110, 799624), (112, 785345), (131, 671440), (140, 628276), (154, 571160), (176, 499765), (218, 403480), (220, 399812), (262, 335720), (280, 314138), (308, 285580), (385, 228464), (436, 201740), (440, 199906), (524, 167860), (545, 161392), (560, 157069), (616, 142790), (655, 134288), (763, 115280), (770, 114232), (872, 100870), (880, 99953), (917, 95920), (1048, 83930), (1090, 80696), (1199, 73360), (1232, 71395), (1310, 67144), (1441, 61040), (1526, 57640), (1540, 57116), (1744, 50435), (1834, 47960), (2096, 41965), (2180, 40348), (2398, 36680), (2620, 33572), (2882, 30520), (3052, 28820), (3080, 28558), (3668, 23980), (3815, 23056), (4360, 20174), (4585, 19184), (4796, 18340), (5240, 16786), (5764, 15260), (5995, 14672), (6104, 14410), (6160, 14279), (7205, 12208), (7336, 11990), (7630, 11528), (8393, 10480), (8720, 10087), (9170, 9592)]