198969120

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{19739}}^1$

素因数の和:19767

約数の個数: 144

約数和(自身を含む): 776018880

約数和(自身を除く): 577049760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 19739, 39478, 59217, 78956, 98695, 118434, 138173, 157912, 177651, 197390, 236868, 276346, 296085, 315824, 355302, 394780, 414519, 473736, 552692, 592170, 631648, 690865, 710604, 789560, 829038, 888255, 947472, 1105384, 1184340, 1243557, 1381730, 1421208, 1579120, 1658076, 1776510, 1894944, 2072595, 2210768, 2368680, 2487114, 2763460, 2842416, 3158240, 3316152, 3553020, 4145190, 4421536, 4737360, 4974228, 5526920, 5684832, 6217785, 6632304, 7106040, 8290380, 9474720, 9948456, 11053840, 12435570, 13264608, 14212080, 16580760, 19896912, 22107680, 24871140, 28424160, 33161520, 39793824, 49742280, 66323040, 99484560, 198969120]

約数ペア:

[(1, 198969120), (2, 99484560), (3, 66323040), (4, 49742280), (5, 39793824), (6, 33161520), (7, 28424160), (8, 24871140), (9, 22107680), (10, 19896912), (12, 16580760), (14, 14212080), (15, 13264608), (16, 12435570), (18, 11053840), (20, 9948456), (21, 9474720), (24, 8290380), (28, 7106040), (30, 6632304), (32, 6217785), (35, 5684832), (36, 5526920), (40, 4974228), (42, 4737360), (45, 4421536), (48, 4145190), (56, 3553020), (60, 3316152), (63, 3158240), (70, 2842416), (72, 2763460), (80, 2487114), (84, 2368680), (90, 2210768), (96, 2072595), (105, 1894944), (112, 1776510), (120, 1658076), (126, 1579120), (140, 1421208), (144, 1381730), (160, 1243557), (168, 1184340), (180, 1105384), (210, 947472), (224, 888255), (240, 829038), (252, 789560), (280, 710604), (288, 690865), (315, 631648), (336, 592170), (360, 552692), (420, 473736), (480, 414519), (504, 394780), (560, 355302), (630, 315824), (672, 296085), (720, 276346), (840, 236868), (1008, 197390), (1120, 177651), (1260, 157912), (1440, 138173), (1680, 118434), (2016, 98695), (2520, 78956), (3360, 59217), (5040, 39478), (10080, 19739)]