31542660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:458

約数の個数: 144

約数和(自身を含む): 105356160

約数和(自身を除く): 73813500

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, 401, 414, 437, 460, 570, 684, 690, 802, 828, 855, 874, 1035, 1140, 1203, 1311, 1380, 1604, 1710, 1748, 2005, 2070, 2185, 2406, 2622, 3420, 3609, 3933, 4010, 4140, 4370, 4812, 5244, 6015, 6555, 7218, 7619, 7866, 8020, 8740, 9223, 12030, 13110, 14436, 15238, 15732, 18045, 18446, 19665, 22857, 24060, 26220, 27669, 30476, 36090, 36892, 38095, 39330, 45714, 46115, 55338, 68571, 72180, 76190, 78660, 83007, 91428, 92230, 110676, 114285, 137142, 138345, 152380, 166014, 175237, 184460, 228570, 274284, 276690, 332028, 342855, 350474, 415035, 457140, 525711, 553380, 685710, 700948, 830070, 876185, 1051422, 1371420, 1577133, 1660140, 1752370, 2102844, 2628555, 3154266, 3504740, 5257110, 6308532, 7885665, 10514220, 15771330, 31542660]

約数ペア:

[(1, 31542660), (2, 15771330), (3, 10514220), (4, 7885665), (5, 6308532), (6, 5257110), (9, 3504740), (10, 3154266), (12, 2628555), (15, 2102844), (18, 1752370), (19, 1660140), (20, 1577133), (23, 1371420), (30, 1051422), (36, 876185), (38, 830070), (45, 700948), (46, 685710), (57, 553380), (60, 525711), (69, 457140), (76, 415035), (90, 350474), (92, 342855), (95, 332028), (114, 276690), (115, 274284), (138, 228570), (171, 184460), (180, 175237), (190, 166014), (207, 152380), (228, 138345), (230, 137142), (276, 114285), (285, 110676), (342, 92230), (345, 91428), (380, 83007), (401, 78660), (414, 76190), (437, 72180), (460, 68571), (570, 55338), (684, 46115), (690, 45714), (802, 39330), (828, 38095), (855, 36892), (874, 36090), (1035, 30476), (1140, 27669), (1203, 26220), (1311, 24060), (1380, 22857), (1604, 19665), (1710, 18446), (1748, 18045), (2005, 15732), (2070, 15238), (2185, 14436), (2406, 13110), (2622, 12030), (3420, 9223), (3609, 8740), (3933, 8020), (4010, 7866), (4140, 7619), (4370, 7218), (4812, 6555), (5244, 6015)]