87086440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 235929600

約数和(自身を除く): 148843160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 79, 124, 127, 140, 155, 158, 217, 248, 254, 280, 310, 316, 395, 434, 508, 553, 620, 632, 635, 790, 868, 889, 1016, 1085, 1106, 1240, 1270, 1580, 1736, 1778, 2170, 2212, 2449, 2540, 2765, 3160, 3556, 3937, 4340, 4424, 4445, 4898, 5080, 5530, 7112, 7874, 8680, 8890, 9796, 10033, 11060, 12245, 15748, 17143, 17780, 19592, 19685, 20066, 22120, 24490, 27559, 31496, 34286, 35560, 39370, 40132, 48980, 50165, 55118, 68572, 70231, 78740, 80264, 85715, 97960, 100330, 110236, 137144, 137795, 140462, 157480, 171430, 200660, 220472, 275590, 280924, 311023, 342860, 351155, 401320, 551180, 561848, 622046, 685720, 702310, 1102360, 1244092, 1404620, 1555115, 2177161, 2488184, 2809240, 3110230, 4354322, 6220460, 8708644, 10885805, 12440920, 17417288, 21771610, 43543220, 87086440]

約数ペア:

[(1, 87086440), (2, 43543220), (4, 21771610), (5, 17417288), (7, 12440920), (8, 10885805), (10, 8708644), (14, 6220460), (20, 4354322), (28, 3110230), (31, 2809240), (35, 2488184), (40, 2177161), (56, 1555115), (62, 1404620), (70, 1244092), (79, 1102360), (124, 702310), (127, 685720), (140, 622046), (155, 561848), (158, 551180), (217, 401320), (248, 351155), (254, 342860), (280, 311023), (310, 280924), (316, 275590), (395, 220472), (434, 200660), (508, 171430), (553, 157480), (620, 140462), (632, 137795), (635, 137144), (790, 110236), (868, 100330), (889, 97960), (1016, 85715), (1085, 80264), (1106, 78740), (1240, 70231), (1270, 68572), (1580, 55118), (1736, 50165), (1778, 48980), (2170, 40132), (2212, 39370), (2449, 35560), (2540, 34286), (2765, 31496), (3160, 27559), (3556, 24490), (3937, 22120), (4340, 20066), (4424, 19685), (4445, 19592), (4898, 17780), (5080, 17143), (5530, 15748), (7112, 12245), (7874, 11060), (8680, 10033), (8890, 9796)]