78913380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:278

約数の個数: 192

約数和(自身を含む): 276595200

約数和(自身を除く): 197681820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 97, 105, 130, 140, 149, 156, 182, 194, 195, 210, 260, 273, 291, 298, 364, 388, 390, 420, 447, 455, 485, 546, 582, 596, 679, 745, 780, 894, 910, 970, 1043, 1092, 1164, 1261, 1358, 1365, 1455, 1490, 1788, 1820, 1937, 1940, 2037, 2086, 2235, 2522, 2716, 2730, 2910, 2980, 3129, 3395, 3783, 3874, 4074, 4172, 4470, 5044, 5215, 5460, 5811, 5820, 6258, 6305, 6790, 7566, 7748, 8148, 8827, 8940, 9685, 10185, 10430, 11622, 12516, 12610, 13559, 13580, 14453, 15132, 15645, 17654, 18915, 19370, 20370, 20860, 23244, 25220, 26481, 27118, 28906, 29055, 31290, 35308, 37830, 38740, 40677, 40740, 43359, 44135, 52962, 54236, 57812, 58110, 62580, 67795, 72265, 75660, 81354, 86718, 88270, 101171, 105924, 116220, 132405, 135590, 144530, 162708, 173436, 176540, 187889, 202342, 203385, 216795, 264810, 271180, 289060, 303513, 375778, 404684, 406770, 433590, 505855, 529620, 563667, 607026, 751556, 813540, 867180, 939445, 1011710, 1127334, 1214052, 1315223, 1517565, 1878890, 2023420, 2254668, 2630446, 2818335, 3035130, 3757780, 3945669, 5260892, 5636670, 6070260, 6576115, 7891338, 11273340, 13152230, 15782676, 19728345, 26304460, 39456690, 78913380]

約数ペア:

[(1, 78913380), (2, 39456690), (3, 26304460), (4, 19728345), (5, 15782676), (6, 13152230), (7, 11273340), (10, 7891338), (12, 6576115), (13, 6070260), (14, 5636670), (15, 5260892), (20, 3945669), (21, 3757780), (26, 3035130), (28, 2818335), (30, 2630446), (35, 2254668), (39, 2023420), (42, 1878890), (52, 1517565), (60, 1315223), (65, 1214052), (70, 1127334), (78, 1011710), (84, 939445), (91, 867180), (97, 813540), (105, 751556), (130, 607026), (140, 563667), (149, 529620), (156, 505855), (182, 433590), (194, 406770), (195, 404684), (210, 375778), (260, 303513), (273, 289060), (291, 271180), (298, 264810), (364, 216795), (388, 203385), (390, 202342), (420, 187889), (447, 176540), (455, 173436), (485, 162708), (546, 144530), (582, 135590), (596, 132405), (679, 116220), (745, 105924), (780, 101171), (894, 88270), (910, 86718), (970, 81354), (1043, 75660), (1092, 72265), (1164, 67795), (1261, 62580), (1358, 58110), (1365, 57812), (1455, 54236), (1490, 52962), (1788, 44135), (1820, 43359), (1937, 40740), (1940, 40677), (2037, 38740), (2086, 37830), (2235, 35308), (2522, 31290), (2716, 29055), (2730, 28906), (2910, 27118), (2980, 26481), (3129, 25220), (3395, 23244), (3783, 20860), (3874, 20370), (4074, 19370), (4172, 18915), (4470, 17654), (5044, 15645), (5215, 15132), (5460, 14453), (5811, 13580), (5820, 13559), (6258, 12610), (6305, 12516), (6790, 11622), (7566, 10430), (7748, 10185), (8148, 9685), (8827, 8940)]