68984820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{877}}^1$

素因数の和:934

約数の個数: 144

約数和(自身を含む): 230106240

約数和(自身を除く): 161121420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 30, 36, 38, 45, 46, 57, 60, 69, 76, 90, 92, 95, 114, 115, 138, 171, 180, 190, 207, 228, 230, 276, 285, 342, 345, 380, 414, 437, 460, 570, 684, 690, 828, 855, 874, 877, 1035, 1140, 1311, 1380, 1710, 1748, 1754, 2070, 2185, 2622, 2631, 3420, 3508, 3933, 4140, 4370, 4385, 5244, 5262, 6555, 7866, 7893, 8740, 8770, 10524, 13110, 13155, 15732, 15786, 16663, 17540, 19665, 20171, 26220, 26310, 31572, 33326, 39330, 39465, 40342, 49989, 52620, 60513, 66652, 78660, 78930, 80684, 83315, 99978, 100855, 121026, 149967, 157860, 166630, 181539, 199956, 201710, 242052, 249945, 299934, 302565, 333260, 363078, 383249, 403420, 499890, 599868, 605130, 726156, 749835, 766498, 907695, 999780, 1149747, 1210260, 1499670, 1532996, 1815390, 1916245, 2299494, 2999340, 3449241, 3630780, 3832490, 4598988, 5748735, 6898482, 7664980, 11497470, 13796964, 17246205, 22994940, 34492410, 68984820]

約数ペア:

[(1, 68984820), (2, 34492410), (3, 22994940), (4, 17246205), (5, 13796964), (6, 11497470), (9, 7664980), (10, 6898482), (12, 5748735), (15, 4598988), (18, 3832490), (19, 3630780), (20, 3449241), (23, 2999340), (30, 2299494), (36, 1916245), (38, 1815390), (45, 1532996), (46, 1499670), (57, 1210260), (60, 1149747), (69, 999780), (76, 907695), (90, 766498), (92, 749835), (95, 726156), (114, 605130), (115, 599868), (138, 499890), (171, 403420), (180, 383249), (190, 363078), (207, 333260), (228, 302565), (230, 299934), (276, 249945), (285, 242052), (342, 201710), (345, 199956), (380, 181539), (414, 166630), (437, 157860), (460, 149967), (570, 121026), (684, 100855), (690, 99978), (828, 83315), (855, 80684), (874, 78930), (877, 78660), (1035, 66652), (1140, 60513), (1311, 52620), (1380, 49989), (1710, 40342), (1748, 39465), (1754, 39330), (2070, 33326), (2185, 31572), (2622, 26310), (2631, 26220), (3420, 20171), (3508, 19665), (3933, 17540), (4140, 16663), (4370, 15786), (4385, 15732), (5244, 13155), (5262, 13110), (6555, 10524), (7866, 8770), (7893, 8740)]