81930156

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:324

約数の個数: 144

約数和(自身を含む): 248209920

約数和(自身を除く): 166279764

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 53, 66, 77, 84, 98, 106, 132, 147, 154, 159, 196, 212, 231, 239, 294, 308, 318, 371, 462, 478, 539, 583, 588, 636, 717, 742, 924, 956, 1078, 1113, 1166, 1434, 1484, 1617, 1673, 1749, 2156, 2226, 2332, 2597, 2629, 2868, 3234, 3346, 3498, 4081, 4452, 5019, 5194, 5258, 6468, 6692, 6996, 7791, 7887, 8162, 10038, 10388, 10516, 11711, 12243, 12667, 15582, 15774, 16324, 18403, 20076, 23422, 24486, 25334, 28567, 31164, 31548, 35133, 36806, 38001, 46844, 48972, 50668, 55209, 57134, 70266, 73612, 76002, 85701, 88669, 110418, 114268, 128821, 139337, 140532, 152004, 171402, 177338, 220836, 257642, 266007, 278674, 342804, 354676, 386463, 418011, 515284, 532014, 557348, 620683, 772926, 836022, 975359, 1064028, 1241366, 1545852, 1672044, 1862049, 1950718, 2482732, 2926077, 3724098, 3901436, 5852154, 6827513, 7448196, 11704308, 13655026, 20482539, 27310052, 40965078, 81930156]

約数ペア:

[(1, 81930156), (2, 40965078), (3, 27310052), (4, 20482539), (6, 13655026), (7, 11704308), (11, 7448196), (12, 6827513), (14, 5852154), (21, 3901436), (22, 3724098), (28, 2926077), (33, 2482732), (42, 1950718), (44, 1862049), (49, 1672044), (53, 1545852), (66, 1241366), (77, 1064028), (84, 975359), (98, 836022), (106, 772926), (132, 620683), (147, 557348), (154, 532014), (159, 515284), (196, 418011), (212, 386463), (231, 354676), (239, 342804), (294, 278674), (308, 266007), (318, 257642), (371, 220836), (462, 177338), (478, 171402), (539, 152004), (583, 140532), (588, 139337), (636, 128821), (717, 114268), (742, 110418), (924, 88669), (956, 85701), (1078, 76002), (1113, 73612), (1166, 70266), (1434, 57134), (1484, 55209), (1617, 50668), (1673, 48972), (1749, 46844), (2156, 38001), (2226, 36806), (2332, 35133), (2597, 31548), (2629, 31164), (2868, 28567), (3234, 25334), (3346, 24486), (3498, 23422), (4081, 20076), (4452, 18403), (5019, 16324), (5194, 15774), (5258, 15582), (6468, 12667), (6692, 12243), (6996, 11711), (7791, 10516), (7887, 10388), (8162, 10038)]