81549160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:152

約数の個数: 192

約数和(自身を含む): 241315200

約数和(自身を除く): 159766040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 29, 35, 40, 44, 55, 56, 58, 70, 77, 83, 88, 110, 116, 121, 140, 145, 154, 166, 203, 220, 232, 242, 280, 290, 308, 319, 332, 385, 406, 415, 440, 484, 580, 581, 605, 616, 638, 664, 770, 812, 830, 847, 913, 968, 1015, 1160, 1162, 1210, 1276, 1540, 1595, 1624, 1660, 1694, 1826, 2030, 2233, 2324, 2407, 2420, 2552, 2905, 3080, 3190, 3320, 3388, 3509, 3652, 4060, 4235, 4466, 4565, 4648, 4814, 4840, 5810, 6380, 6391, 6776, 7018, 7304, 8120, 8470, 8932, 9130, 9628, 10043, 11165, 11620, 12035, 12760, 12782, 14036, 16849, 16940, 17545, 17864, 18260, 19256, 20086, 22330, 23240, 24070, 24563, 25564, 26477, 28072, 31955, 33698, 33880, 35090, 36520, 40172, 44660, 48140, 49126, 50215, 51128, 52954, 63910, 67396, 70180, 70301, 80344, 84245, 89320, 96280, 98252, 100430, 105908, 122815, 127820, 132385, 134792, 140360, 140602, 168490, 185339, 196504, 200860, 211816, 245630, 255640, 264770, 281204, 291247, 336980, 351505, 370678, 401720, 491260, 529540, 562408, 582494, 673960, 703010, 741356, 926695, 982520, 1059080, 1164988, 1406020, 1456235, 1482712, 1853390, 2038729, 2329976, 2812040, 2912470, 3706780, 4077458, 5824940, 7413560, 8154916, 10193645, 11649880, 16309832, 20387290, 40774580, 81549160]

約数ペア:

[(1, 81549160), (2, 40774580), (4, 20387290), (5, 16309832), (7, 11649880), (8, 10193645), (10, 8154916), (11, 7413560), (14, 5824940), (20, 4077458), (22, 3706780), (28, 2912470), (29, 2812040), (35, 2329976), (40, 2038729), (44, 1853390), (55, 1482712), (56, 1456235), (58, 1406020), (70, 1164988), (77, 1059080), (83, 982520), (88, 926695), (110, 741356), (116, 703010), (121, 673960), (140, 582494), (145, 562408), (154, 529540), (166, 491260), (203, 401720), (220, 370678), (232, 351505), (242, 336980), (280, 291247), (290, 281204), (308, 264770), (319, 255640), (332, 245630), (385, 211816), (406, 200860), (415, 196504), (440, 185339), (484, 168490), (580, 140602), (581, 140360), (605, 134792), (616, 132385), (638, 127820), (664, 122815), (770, 105908), (812, 100430), (830, 98252), (847, 96280), (913, 89320), (968, 84245), (1015, 80344), (1160, 70301), (1162, 70180), (1210, 67396), (1276, 63910), (1540, 52954), (1595, 51128), (1624, 50215), (1660, 49126), (1694, 48140), (1826, 44660), (2030, 40172), (2233, 36520), (2324, 35090), (2407, 33880), (2420, 33698), (2552, 31955), (2905, 28072), (3080, 26477), (3190, 25564), (3320, 24563), (3388, 24070), (3509, 23240), (3652, 22330), (4060, 20086), (4235, 19256), (4466, 18260), (4565, 17864), (4648, 17545), (4814, 16940), (4840, 16849), (5810, 14036), (6380, 12782), (6391, 12760), (6776, 12035), (7018, 11620), (7304, 11165), (8120, 10043), (8470, 9628), (8932, 9130)]