81969360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:597

約数の個数: 160

約数和(自身を含む): 282303360

約数和(自身を除く): 200334000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 61, 66, 80, 88, 110, 120, 122, 132, 165, 176, 183, 220, 240, 244, 264, 305, 330, 366, 440, 488, 509, 528, 610, 660, 671, 732, 880, 915, 976, 1018, 1220, 1320, 1342, 1464, 1527, 1830, 2013, 2036, 2440, 2545, 2640, 2684, 2928, 3054, 3355, 3660, 4026, 4072, 4880, 5090, 5368, 5599, 6108, 6710, 7320, 7635, 8052, 8144, 10065, 10180, 10736, 11198, 12216, 13420, 14640, 15270, 16104, 16797, 20130, 20360, 22396, 24432, 26840, 27995, 30540, 31049, 32208, 33594, 40260, 40720, 44792, 53680, 55990, 61080, 62098, 67188, 80520, 83985, 89584, 93147, 111980, 122160, 124196, 134376, 155245, 161040, 167970, 186294, 223960, 248392, 268752, 310490, 335940, 341539, 372588, 447920, 465735, 496784, 620980, 671880, 683078, 745176, 931470, 1024617, 1241960, 1343760, 1366156, 1490352, 1707695, 1862940, 2049234, 2483920, 2732312, 3415390, 3725880, 4098468, 5123085, 5464624, 6830780, 7451760, 8196936, 10246170, 13661560, 16393872, 20492340, 27323120, 40984680, 81969360]

約数ペア:

[(1, 81969360), (2, 40984680), (3, 27323120), (4, 20492340), (5, 16393872), (6, 13661560), (8, 10246170), (10, 8196936), (11, 7451760), (12, 6830780), (15, 5464624), (16, 5123085), (20, 4098468), (22, 3725880), (24, 3415390), (30, 2732312), (33, 2483920), (40, 2049234), (44, 1862940), (48, 1707695), (55, 1490352), (60, 1366156), (61, 1343760), (66, 1241960), (80, 1024617), (88, 931470), (110, 745176), (120, 683078), (122, 671880), (132, 620980), (165, 496784), (176, 465735), (183, 447920), (220, 372588), (240, 341539), (244, 335940), (264, 310490), (305, 268752), (330, 248392), (366, 223960), (440, 186294), (488, 167970), (509, 161040), (528, 155245), (610, 134376), (660, 124196), (671, 122160), (732, 111980), (880, 93147), (915, 89584), (976, 83985), (1018, 80520), (1220, 67188), (1320, 62098), (1342, 61080), (1464, 55990), (1527, 53680), (1830, 44792), (2013, 40720), (2036, 40260), (2440, 33594), (2545, 32208), (2640, 31049), (2684, 30540), (2928, 27995), (3054, 26840), (3355, 24432), (3660, 22396), (4026, 20360), (4072, 20130), (4880, 16797), (5090, 16104), (5368, 15270), (5599, 14640), (6108, 13420), (6710, 12216), (7320, 11198), (7635, 10736), (8052, 10180), (8144, 10065)]