79166920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:707

約数の個数: 128

約数和(自身を含む): 223948800

約数和(自身を除く): 144781880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 23, 28, 35, 38, 40, 46, 56, 70, 76, 92, 95, 115, 133, 140, 152, 161, 184, 190, 230, 266, 280, 322, 380, 437, 460, 532, 644, 647, 665, 760, 805, 874, 920, 1064, 1288, 1294, 1330, 1610, 1748, 2185, 2588, 2660, 3059, 3220, 3235, 3496, 4370, 4529, 5176, 5320, 6118, 6440, 6470, 8740, 9058, 12236, 12293, 12940, 14881, 15295, 17480, 18116, 22645, 24472, 24586, 25880, 29762, 30590, 36232, 45290, 49172, 59524, 61180, 61465, 74405, 86051, 90580, 98344, 104167, 119048, 122360, 122930, 148810, 172102, 181160, 208334, 245860, 282739, 297620, 344204, 416668, 430255, 491720, 520835, 565478, 595240, 688408, 833336, 860510, 1041670, 1130956, 1413695, 1721020, 1979173, 2083340, 2261912, 2827390, 3442040, 3958346, 4166680, 5654780, 7916692, 9895865, 11309560, 15833384, 19791730, 39583460, 79166920]

約数ペア:

[(1, 79166920), (2, 39583460), (4, 19791730), (5, 15833384), (7, 11309560), (8, 9895865), (10, 7916692), (14, 5654780), (19, 4166680), (20, 3958346), (23, 3442040), (28, 2827390), (35, 2261912), (38, 2083340), (40, 1979173), (46, 1721020), (56, 1413695), (70, 1130956), (76, 1041670), (92, 860510), (95, 833336), (115, 688408), (133, 595240), (140, 565478), (152, 520835), (161, 491720), (184, 430255), (190, 416668), (230, 344204), (266, 297620), (280, 282739), (322, 245860), (380, 208334), (437, 181160), (460, 172102), (532, 148810), (644, 122930), (647, 122360), (665, 119048), (760, 104167), (805, 98344), (874, 90580), (920, 86051), (1064, 74405), (1288, 61465), (1294, 61180), (1330, 59524), (1610, 49172), (1748, 45290), (2185, 36232), (2588, 30590), (2660, 29762), (3059, 25880), (3220, 24586), (3235, 24472), (3496, 22645), (4370, 18116), (4529, 17480), (5176, 15295), (5320, 14881), (6118, 12940), (6440, 12293), (6470, 12236), (8740, 9058)]