80982180

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{877}}^1$

素因数の和:920

約数の個数: 144

約数和(自身を含む): 268457280

約数和(自身を除く): 187475100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 243, 270, 285, 324, 342, 380, 405, 486, 513, 540, 570, 684, 810, 855, 877, 972, 1026, 1140, 1215, 1539, 1620, 1710, 1754, 2052, 2430, 2565, 2631, 3078, 3420, 3508, 4385, 4617, 4860, 5130, 5262, 6156, 7695, 7893, 8770, 9234, 10260, 10524, 13155, 15390, 15786, 16663, 17540, 18468, 23085, 23679, 26310, 30780, 31572, 33326, 39465, 46170, 47358, 49989, 52620, 66652, 71037, 78930, 83315, 92340, 94716, 99978, 118395, 142074, 149967, 157860, 166630, 199956, 213111, 236790, 249945, 284148, 299934, 333260, 355185, 426222, 449901, 473580, 499890, 599868, 710370, 749835, 852444, 899802, 999780, 1065555, 1349703, 1420740, 1499670, 1799604, 2131110, 2249505, 2699406, 2999340, 4049109, 4262220, 4499010, 5398812, 6748515, 8098218, 8998020, 13497030, 16196436, 20245545, 26994060, 40491090, 80982180]

約数ペア:

[(1, 80982180), (2, 40491090), (3, 26994060), (4, 20245545), (5, 16196436), (6, 13497030), (9, 8998020), (10, 8098218), (12, 6748515), (15, 5398812), (18, 4499010), (19, 4262220), (20, 4049109), (27, 2999340), (30, 2699406), (36, 2249505), (38, 2131110), (45, 1799604), (54, 1499670), (57, 1420740), (60, 1349703), (76, 1065555), (81, 999780), (90, 899802), (95, 852444), (108, 749835), (114, 710370), (135, 599868), (162, 499890), (171, 473580), (180, 449901), (190, 426222), (228, 355185), (243, 333260), (270, 299934), (285, 284148), (324, 249945), (342, 236790), (380, 213111), (405, 199956), (486, 166630), (513, 157860), (540, 149967), (570, 142074), (684, 118395), (810, 99978), (855, 94716), (877, 92340), (972, 83315), (1026, 78930), (1140, 71037), (1215, 66652), (1539, 52620), (1620, 49989), (1710, 47358), (1754, 46170), (2052, 39465), (2430, 33326), (2565, 31572), (2631, 30780), (3078, 26310), (3420, 23679), (3508, 23085), (4385, 18468), (4617, 17540), (4860, 16663), (5130, 15786), (5262, 15390), (6156, 13155), (7695, 10524), (7893, 10260), (8770, 9234)]