81259680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 192

約数和(自身を含む): 272498688

約数和(自身を除く): 191239008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 43, 48, 60, 62, 80, 86, 93, 96, 120, 124, 127, 129, 155, 160, 172, 186, 215, 240, 248, 254, 258, 310, 344, 372, 381, 430, 465, 480, 496, 508, 516, 620, 635, 645, 688, 744, 762, 860, 930, 992, 1016, 1032, 1240, 1270, 1290, 1333, 1376, 1488, 1524, 1720, 1860, 1905, 2032, 2064, 2480, 2540, 2580, 2666, 2976, 3048, 3440, 3720, 3810, 3937, 3999, 4064, 4128, 4960, 5080, 5160, 5332, 5461, 6096, 6665, 6880, 7440, 7620, 7874, 7998, 10160, 10320, 10664, 10922, 11811, 12192, 13330, 14880, 15240, 15748, 15996, 16383, 19685, 19995, 20320, 20640, 21328, 21844, 23622, 26660, 27305, 30480, 31496, 31992, 32766, 39370, 39990, 42656, 43688, 47244, 53320, 54610, 59055, 60960, 62992, 63984, 65532, 78740, 79980, 81915, 87376, 94488, 106640, 109220, 118110, 125984, 127968, 131064, 157480, 159960, 163830, 169291, 174752, 188976, 213280, 218440, 236220, 262128, 314960, 319920, 327660, 338582, 377952, 436880, 472440, 507873, 524256, 629920, 639840, 655320, 677164, 846455, 873760, 944880, 1015746, 1310640, 1354328, 1692910, 1889760, 2031492, 2539365, 2621280, 2708656, 3385820, 4062984, 5078730, 5417312, 6771640, 8125968, 10157460, 13543280, 16251936, 20314920, 27086560, 40629840, 81259680]

約数ペア:

[(1, 81259680), (2, 40629840), (3, 27086560), (4, 20314920), (5, 16251936), (6, 13543280), (8, 10157460), (10, 8125968), (12, 6771640), (15, 5417312), (16, 5078730), (20, 4062984), (24, 3385820), (30, 2708656), (31, 2621280), (32, 2539365), (40, 2031492), (43, 1889760), (48, 1692910), (60, 1354328), (62, 1310640), (80, 1015746), (86, 944880), (93, 873760), (96, 846455), (120, 677164), (124, 655320), (127, 639840), (129, 629920), (155, 524256), (160, 507873), (172, 472440), (186, 436880), (215, 377952), (240, 338582), (248, 327660), (254, 319920), (258, 314960), (310, 262128), (344, 236220), (372, 218440), (381, 213280), (430, 188976), (465, 174752), (480, 169291), (496, 163830), (508, 159960), (516, 157480), (620, 131064), (635, 127968), (645, 125984), (688, 118110), (744, 109220), (762, 106640), (860, 94488), (930, 87376), (992, 81915), (1016, 79980), (1032, 78740), (1240, 65532), (1270, 63984), (1290, 62992), (1333, 60960), (1376, 59055), (1488, 54610), (1524, 53320), (1720, 47244), (1860, 43688), (1905, 42656), (2032, 39990), (2064, 39370), (2480, 32766), (2540, 31992), (2580, 31496), (2666, 30480), (2976, 27305), (3048, 26660), (3440, 23622), (3720, 21844), (3810, 21328), (3937, 20640), (3999, 20320), (4064, 19995), (4128, 19685), (4960, 16383), (5080, 15996), (5160, 15748), (5332, 15240), (5461, 14880), (6096, 13330), (6665, 12192), (6880, 11811), (7440, 10922), (7620, 10664), (7874, 10320), (7998, 10160)]