68420880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:246

約数の個数: 240

約数和(自身を含む): 256965696

約数和(自身を除く): 188544816

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 53, 55, 60, 66, 72, 80, 88, 90, 99, 106, 110, 120, 132, 144, 159, 163, 165, 176, 180, 198, 212, 220, 240, 264, 265, 318, 326, 330, 360, 396, 424, 440, 477, 489, 495, 528, 530, 583, 636, 652, 660, 720, 792, 795, 815, 848, 880, 954, 978, 990, 1060, 1166, 1272, 1304, 1320, 1467, 1584, 1590, 1630, 1749, 1793, 1908, 1956, 1980, 2120, 2332, 2385, 2445, 2544, 2608, 2640, 2915, 2934, 3180, 3260, 3498, 3586, 3816, 3912, 3960, 4240, 4664, 4770, 4890, 5247, 5379, 5830, 5868, 6360, 6520, 6996, 7172, 7335, 7632, 7824, 7920, 8639, 8745, 8965, 9328, 9540, 9780, 10494, 10758, 11660, 11736, 12720, 13040, 13992, 14344, 14670, 16137, 17278, 17490, 17930, 19080, 19560, 20988, 21516, 23320, 23472, 25917, 26235, 26895, 27984, 28688, 29340, 32274, 34556, 34980, 35860, 38160, 39120, 41976, 43032, 43195, 46640, 51834, 52470, 53790, 58680, 64548, 69112, 69960, 71720, 77751, 80685, 83952, 86064, 86390, 95029, 103668, 104940, 107580, 117360, 129096, 129585, 138224, 139920, 143440, 155502, 161370, 172780, 190058, 207336, 209880, 215160, 258192, 259170, 285087, 311004, 322740, 345560, 380116, 388755, 414672, 419760, 430320, 475145, 518340, 570174, 622008, 645480, 691120, 760232, 777510, 855261, 950290, 1036680, 1140348, 1244016, 1290960, 1425435, 1520464, 1555020, 1710522, 1900580, 2073360, 2280696, 2850870, 3110040, 3421044, 3801160, 4276305, 4561392, 5701740, 6220080, 6842088, 7602320, 8552610, 11403480, 13684176, 17105220, 22806960, 34210440, 68420880]

約数ペア:

[(1, 68420880), (2, 34210440), (3, 22806960), (4, 17105220), (5, 13684176), (6, 11403480), (8, 8552610), (9, 7602320), (10, 6842088), (11, 6220080), (12, 5701740), (15, 4561392), (16, 4276305), (18, 3801160), (20, 3421044), (22, 3110040), (24, 2850870), (30, 2280696), (33, 2073360), (36, 1900580), (40, 1710522), (44, 1555020), (45, 1520464), (48, 1425435), (53, 1290960), (55, 1244016), (60, 1140348), (66, 1036680), (72, 950290), (80, 855261), (88, 777510), (90, 760232), (99, 691120), (106, 645480), (110, 622008), (120, 570174), (132, 518340), (144, 475145), (159, 430320), (163, 419760), (165, 414672), (176, 388755), (180, 380116), (198, 345560), (212, 322740), (220, 311004), (240, 285087), (264, 259170), (265, 258192), (318, 215160), (326, 209880), (330, 207336), (360, 190058), (396, 172780), (424, 161370), (440, 155502), (477, 143440), (489, 139920), (495, 138224), (528, 129585), (530, 129096), (583, 117360), (636, 107580), (652, 104940), (660, 103668), (720, 95029), (792, 86390), (795, 86064), (815, 83952), (848, 80685), (880, 77751), (954, 71720), (978, 69960), (990, 69112), (1060, 64548), (1166, 58680), (1272, 53790), (1304, 52470), (1320, 51834), (1467, 46640), (1584, 43195), (1590, 43032), (1630, 41976), (1749, 39120), (1793, 38160), (1908, 35860), (1956, 34980), (1980, 34556), (2120, 32274), (2332, 29340), (2385, 28688), (2445, 27984), (2544, 26895), (2608, 26235), (2640, 25917), (2915, 23472), (2934, 23320), (3180, 21516), (3260, 20988), (3498, 19560), (3586, 19080), (3816, 17930), (3912, 17490), (3960, 17278), (4240, 16137), (4664, 14670), (4770, 14344), (4890, 13992), (5247, 13040), (5379, 12720), (5830, 11736), (5868, 11660), (6360, 10758), (6520, 10494), (6996, 9780), (7172, 9540), (7335, 9328), (7632, 8965), (7824, 8745), (7920, 8639)]