54780180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:238

約数の個数: 192

約数和(自身を含む): 192675840

約数和(自身を除く): 137895660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 79, 84, 91, 105, 127, 130, 140, 156, 158, 182, 195, 210, 237, 254, 260, 273, 316, 364, 381, 390, 395, 420, 455, 474, 508, 546, 553, 635, 762, 780, 790, 889, 910, 948, 1027, 1092, 1106, 1185, 1270, 1365, 1524, 1580, 1651, 1659, 1778, 1820, 1905, 2054, 2212, 2370, 2540, 2667, 2730, 2765, 3081, 3302, 3318, 3556, 3810, 4108, 4445, 4740, 4953, 5135, 5334, 5460, 5530, 6162, 6604, 6636, 7189, 7620, 8255, 8295, 8890, 9906, 10033, 10270, 10668, 11060, 11557, 12324, 13335, 14378, 15405, 16510, 16590, 17780, 19812, 20066, 20540, 21567, 23114, 24765, 26670, 28756, 30099, 30810, 33020, 33180, 34671, 35945, 40132, 43134, 46228, 49530, 50165, 53340, 57785, 60198, 61620, 69342, 70231, 71890, 86268, 99060, 100330, 107835, 115570, 120396, 130429, 138684, 140462, 143780, 150495, 173355, 200660, 210693, 215670, 231140, 260858, 280924, 300990, 346710, 351155, 391287, 421386, 431340, 521716, 601980, 652145, 693420, 702310, 782574, 842772, 913003, 1053465, 1304290, 1404620, 1565148, 1826006, 1956435, 2106930, 2608580, 2739009, 3652012, 3912870, 4213860, 4565015, 5478018, 7825740, 9130030, 10956036, 13695045, 18260060, 27390090, 54780180]

約数ペア:

[(1, 54780180), (2, 27390090), (3, 18260060), (4, 13695045), (5, 10956036), (6, 9130030), (7, 7825740), (10, 5478018), (12, 4565015), (13, 4213860), (14, 3912870), (15, 3652012), (20, 2739009), (21, 2608580), (26, 2106930), (28, 1956435), (30, 1826006), (35, 1565148), (39, 1404620), (42, 1304290), (52, 1053465), (60, 913003), (65, 842772), (70, 782574), (78, 702310), (79, 693420), (84, 652145), (91, 601980), (105, 521716), (127, 431340), (130, 421386), (140, 391287), (156, 351155), (158, 346710), (182, 300990), (195, 280924), (210, 260858), (237, 231140), (254, 215670), (260, 210693), (273, 200660), (316, 173355), (364, 150495), (381, 143780), (390, 140462), (395, 138684), (420, 130429), (455, 120396), (474, 115570), (508, 107835), (546, 100330), (553, 99060), (635, 86268), (762, 71890), (780, 70231), (790, 69342), (889, 61620), (910, 60198), (948, 57785), (1027, 53340), (1092, 50165), (1106, 49530), (1185, 46228), (1270, 43134), (1365, 40132), (1524, 35945), (1580, 34671), (1651, 33180), (1659, 33020), (1778, 30810), (1820, 30099), (1905, 28756), (2054, 26670), (2212, 24765), (2370, 23114), (2540, 21567), (2667, 20540), (2730, 20066), (2765, 19812), (3081, 17780), (3302, 16590), (3318, 16510), (3556, 15405), (3810, 14378), (4108, 13335), (4445, 12324), (4740, 11557), (4953, 11060), (5135, 10668), (5334, 10270), (5460, 10033), (5530, 9906), (6162, 8890), (6604, 8295), (6636, 8255), (7189, 7620)]