51200820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1361}}^1$

素因数の和:1406

約数の個数: 144

約数和(自身を含む): 178476480

約数和(自身を除く): 127275660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 570, 627, 660, 684, 836, 855, 990, 1045, 1140, 1254, 1361, 1710, 1881, 1980, 2090, 2508, 2722, 3135, 3420, 3762, 4083, 4180, 5444, 6270, 6805, 7524, 8166, 9405, 12249, 12540, 13610, 14971, 16332, 18810, 20415, 24498, 25859, 27220, 29942, 37620, 40830, 44913, 48996, 51718, 59884, 61245, 74855, 77577, 81660, 89826, 103436, 122490, 129295, 134739, 149710, 155154, 179652, 224565, 232731, 244980, 258590, 269478, 284449, 299420, 310308, 387885, 449130, 465462, 517180, 538956, 568898, 673695, 775770, 853347, 898260, 930924, 1137796, 1163655, 1347390, 1422245, 1551540, 1706694, 2327310, 2560041, 2694780, 2844490, 3413388, 4266735, 4654620, 5120082, 5688980, 8533470, 10240164, 12800205, 17066940, 25600410, 51200820]

約数ペア:

[(1, 51200820), (2, 25600410), (3, 17066940), (4, 12800205), (5, 10240164), (6, 8533470), (9, 5688980), (10, 5120082), (11, 4654620), (12, 4266735), (15, 3413388), (18, 2844490), (19, 2694780), (20, 2560041), (22, 2327310), (30, 1706694), (33, 1551540), (36, 1422245), (38, 1347390), (44, 1163655), (45, 1137796), (55, 930924), (57, 898260), (60, 853347), (66, 775770), (76, 673695), (90, 568898), (95, 538956), (99, 517180), (110, 465462), (114, 449130), (132, 387885), (165, 310308), (171, 299420), (180, 284449), (190, 269478), (198, 258590), (209, 244980), (220, 232731), (228, 224565), (285, 179652), (330, 155154), (342, 149710), (380, 134739), (396, 129295), (418, 122490), (495, 103436), (570, 89826), (627, 81660), (660, 77577), (684, 74855), (836, 61245), (855, 59884), (990, 51718), (1045, 48996), (1140, 44913), (1254, 40830), (1361, 37620), (1710, 29942), (1881, 27220), (1980, 25859), (2090, 24498), (2508, 20415), (2722, 18810), (3135, 16332), (3420, 14971), (3762, 13610), (4083, 12540), (4180, 12249), (5444, 9405), (6270, 8166), (6805, 7524)]