81480490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:296

約数の個数: 128

約数和(自身を含む): 200309760

約数和(自身を除く): 118829270

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 23, 26, 34, 35, 46, 65, 70, 85, 91, 115, 119, 130, 161, 170, 182, 221, 229, 230, 238, 299, 322, 391, 442, 455, 458, 595, 598, 782, 805, 910, 1105, 1145, 1190, 1495, 1547, 1603, 1610, 1955, 2093, 2210, 2290, 2737, 2977, 2990, 3094, 3206, 3893, 3910, 4186, 5083, 5267, 5474, 5954, 7735, 7786, 8015, 10166, 10465, 10534, 13685, 14885, 15470, 16030, 19465, 20839, 20930, 25415, 26335, 27251, 27370, 29770, 35581, 36869, 38930, 41678, 50609, 50830, 52670, 54502, 68471, 71162, 73738, 89539, 101218, 104195, 136255, 136942, 177905, 179078, 184345, 208390, 253045, 272510, 342355, 354263, 355810, 368690, 447695, 479297, 506090, 626773, 684710, 708526, 895390, 958594, 1164007, 1253546, 1771315, 2328014, 2396485, 3133865, 3542630, 4792970, 5820035, 6267730, 8148049, 11640070, 16296098, 40740245, 81480490]

約数ペア:

[(1, 81480490), (2, 40740245), (5, 16296098), (7, 11640070), (10, 8148049), (13, 6267730), (14, 5820035), (17, 4792970), (23, 3542630), (26, 3133865), (34, 2396485), (35, 2328014), (46, 1771315), (65, 1253546), (70, 1164007), (85, 958594), (91, 895390), (115, 708526), (119, 684710), (130, 626773), (161, 506090), (170, 479297), (182, 447695), (221, 368690), (229, 355810), (230, 354263), (238, 342355), (299, 272510), (322, 253045), (391, 208390), (442, 184345), (455, 179078), (458, 177905), (595, 136942), (598, 136255), (782, 104195), (805, 101218), (910, 89539), (1105, 73738), (1145, 71162), (1190, 68471), (1495, 54502), (1547, 52670), (1603, 50830), (1610, 50609), (1955, 41678), (2093, 38930), (2210, 36869), (2290, 35581), (2737, 29770), (2977, 27370), (2990, 27251), (3094, 26335), (3206, 25415), (3893, 20930), (3910, 20839), (4186, 19465), (5083, 16030), (5267, 15470), (5474, 14885), (5954, 13685), (7735, 10534), (7786, 10465), (8015, 10166)]